As summer advances ticks are becoming more active, and more outdoor enthusiasts are finding these unpleasant critters embedded in their skin.
To understand the importance of avoiding being bitten, here are our Top Ten things you should know about ticks:
1. Ticks are arachnids, and related to spiders and scorpions. They have a 3-stage life cycle, larvae, nymph and adult. At each stage they need a blood meal to grow, ticks feed on small mammals, deer and sheep and will bite humans. They are most active in late spring and summer.
2. Tick bites do not hurt, therefore you will not know if one has bitten you. They prefer warm and damp parts of the body, particularly the hairline, navel, waist, groin and behind the ears and knees.
3. Initially ticks can be very small, about the size of a poppy seed, but will swell as they become engorged with blood. If you find a tick on you or one of your children do not pick, scratch, burn, drown or squeeze it, as it will vomit it stomach contents into your blood stream and pass on any infections it may carry.
4. Ticks generally do not feed for the first 24 hours, so you have time to check yourself in the shower when you get home.
5. To remove an embedded tick use a specialised tick removal tool, either a ‘tick hook’ or a ‘tick lasso’. Narrow end tweezers will also help, but remember to grab by the head, and not the body.
6. Ticks carry a bacterial disease called Lyme borreliosis, or Lyme disease, not all ticks carry it, they get it by sucking the blood of infected animals.
7. Around 50 -100 cases of Lyme disease are reported in Ireland each year, if you think you are infected you should see your GP, who will run tests to determine whether you have Lyme disease and whether to give a course of antibiotics.
8. Symptoms may appear after 3 or 4 days, but may take several weeks to appear. Common symptoms are a bullseye rash at the site of the bite, and flu like symptoms, headache, fatigue and fever.
9. Regular campers, hikers and fishermen are most at risk, and these groups would be wise to carry a tick removal device with them.
10. Ticks climb tall foliage and drop onto animals as they brush past. To avoid being bitten stay on tracks and paths and away from bracken and other tall foliage in the summer. Wear long sleeves, and particularly long trousers, and tuck trousers into socks or wear gaiters. Applying insect repellent to clothes will also help.
Russ Mills runs Mountaintrails, a guided hiking and mountain skills training enterprise based in Dublin, Ireland.
To learn more go to our website at mountaintrails.ie.
It’s a cliché to say we have become reliant on technology, and we certainly need a map and compass, and perhaps a GPS system, to find our way around unfamiliar hills.
But how did our ancestors find their way around, and what natural features did they use to navigate across the land in times gone by?
Here are 5 ways in which our forebears may have navigated around the landscape; and though we don’t suggest you leave your map and compass at home, it might be fun to try these out sometime, and see if you can navigate like the ancients!
Navigate by the Sun
We all know the sun rises in the east, but in reality, due to the complicated relationship between the Earth and the Sun, this only happens on the equinoxes, in March and September. In the middle of June it will rise in the northeast, and in December in the southeast.
However, it is possible to use the sun to determine the cardinal points (North, South, East, West) by using a ‘shadow stick’. To do this you need a stick around a metre long a handful of pebbles and a sunny day.
Push the stick upright into the ground and mark the end of its shadow with a pebble, now hang around. Every 15 minutes or so mark the end of the sticks shadow with a pebble, and after an hour a distinct line of pebbles will become apparent. The first position of the shadow is the western end of the line, and this line is aligned west to east, allowing you to determine the cardinal points for East and West, and those at right angles to that line, North and South.
Navigate by the Moon
It is possible, when in the northern hemisphere, to find south by observing the Moon. Look up at the Moon when it is waxing or waning, (this does not work when there is a full Moon), and draw an imaginary line between the ‘horns’ of the crescent of the Moon. Continue that line down to the horizon, either by eye or by holding a straight object up to it.
The position on the horizon where this line falls is South.
Navigate by the stars
The details of how our ancestors navigated by the stars may seem complex to us now, but perhaps the easiest piece of stellar navigation is this method of locating North.
Many of us in the northern hemisphere can recognise the constellation Ursa Major, or the Plough, it’s the one with the distinct saucepan outline.
By locating the outer edge of the ‘pan’ we can draw a straight line, about 5 times the distance between these outer stars, and here we will find Polaris aka the North Star.
The North Star sits directly above the North Pole on Earth, and so enables us to find the direction of North.
Navigate by using plants
Plants will always grow towards the sun, and a tree will always have heavier and more luxuriant growth on its southern side rather than its northern side. To see this effectively you need to find an isolated tree growing alone, in a wood the trees are crowded for space and this effect is overshadowed by the need to compete with each other.
Certain lichens and mosses prefer sun to shade, and can often be seen growing on the southern side of large tree trunks, this can be quite reliable when seen on a number of trees growing together.
Navigate by the wind
The prevailing wind, (the direction the wind predominantly blows in), can be determined for your location. In Ireland the winds are generally westerlies, and in exposed areas trees will be ‘raked’ by the wind and will grow bent and downwind. By observing the shapes of these trees it is possible to estimate where West is.
The wind does not change its direction a great deal during the course of a day, unless a frontal system passes though, and this is usually easy to spot. So it could be possible to navigate using the feel of the wind on your face, or the direction it is blowing the grass and other vegetation. However, in hilly areas the wind can swirl around the peaks and saddles, so this may not be so reliable in the mountains.
Russ Mills runs Mountaintrails, a guided hiking and navigation training business based in Dublin, Ireland.
You may wish to learn to navigate using the more familiar methods of map and compass. If so, check out the navigation courses on our website: Mountaintrails Navigation Courses
I was recently asked to produce a list of essential kit that you should pack for a day out in the mountains, (outside of winter), and I have reproduced it here, with some expanded explanations:
A pack of 30 – 35 litres capacity is best, and would be sufficient for carrying what you would need for the day.
Rucksack liner or cover
My preference is always for a liner, a waterproof bag that sits in the main compartment of your pack and helps to keep the contents dry in wet weather. Rucksack covers have a tendency to come off in high winds and can be awkward to manage.
Put those items that you want to ensure stay dry into drybags for extra protection form the weather.
Waterproof Jacket & Pants
Invest in a good waterproof jacket and waterproof pants. These are essential items to ward off both rain and cold winds. Inadequate protection from either can make you uncomfortable at best, and at worst can lead to hypothermia, as the chilling effects of wet clothes and high winds are greatly increased.
Choose one with a breathable membrane to reduce moisture building up inside, and ensure it has either waterproof zips or storm flaps to cover the zip, this will prevent water ingress through the front. Make sure it has a good hood too, with plenty of volume, and that this is adjustable.
Take several pairs. I am often finding lost gloves and hats in the hills, so take spares to use in case you lose one. It’s also great to change into dry gloves half way through a wet day. Fleece type gloves are ideal for most conditions, but be prepared to upgrade to insulated and waterproof gloves in the colder months.
Brightly coloured beanies are the order of the day here!
Map and compass
Essential items for all hillwalkers, do not rely on smartphone apps as they can get wet and cold and then fail. Carrying a map and compass is not enough on its’ own, you need to be confident and competent in their use. If you are not sure how to navigate yourself around the mountains with a map and compass then go on a course to learn how to master these essential skills.
Warm spare layer
You may have an enforced stop in the mountains, maybe a colleague has an injury, or perhaps you are stopping for lunch in an exposed spot. In this scenario a spare warm layer is ideal. A synthetic insulated jacket is best, it can be put over your existing clothing, including wet waterproofs, and will warm you up straight away. A fleece jacket could be an alternative, but they are not windproof, so you would need to put it on under your windproof layer.
Food and Drink
Always ensure you have plenty of high calorie food available, and bring extra in case you are delayed and have to spend more time outdoors, a 75kg person with a day pack can burn around 450-500 calories an hour when hiking.
There is no rule concerning how much liquid you should take, though 1.5 litres is a good guide. Take more in hot weather, and take a hot drink in a flask when it is going to be cold. My favourite is a hot fruit tea with honey.
First Aid Kit
A bare minimum would be an ‘ouch-pouch’, this could consist of sticking plaster, antiseptic wipes and blister plasters, such as Compeed. You may feel you want a more comprehensive kit, but do get training in this case, and do not carry what you are not competent to use. REC (Rescue and Emergency Care) courses are very suitable and widely available. If you are part of a group then a larger, ‘group first aid kit’ should be carried between you.
This is rather like a plastic sleeping bag, bright orange, lightweight and cheap, and everyone should carry one in their pack. In emergency situations you can climb into this bag and it will protect you from the worst of the weather. They have often been attributed with saving lives in the mountains.
A group shelter
Also known as an emergency or survival shelter, this is a plastic tent-like cover that a group of people can get into to give protection from the elements. They come in various sizes from 2 to 10 person, and would be used to protect a casualty or as a shelter on an exposed lunch stop. If you are hiking as part of a group then a larger one could be carried between you.
Essential in winter, and a good idea all year round, a head torch will provide you with light to get off the mountain should you be caught out in the dark, it can also be used for signalling for help. It’s a good idea to carry extra batteries, or a spare torch in addition.)
Many rucksacks now come with an integral whistle in the chest strap. Six one second blasts on the whistle, repeated after a short break, is the internationally recognised emergency signal. The reply from the rescuers is three blasts. It makes sense to carry one.
This amazing versatile tape has a myriad of uses, from repairing torn waterproofs to temporary boot repairs, it can also be used in a first aid context with proper training. Wrap some round your water bottle or walking pole).
Russ Mills owns and runs Mountaintrails, a guided hiking and navigation training business based in Dublin, Ireland
One of the most important navigation skills is being able to relocate yourself when you have become ‘lost’ or more correctly, ‘temporarily misplaced’. Having the relocation techniques to deal with such a situation is a key element in being a competent navigator.
Firstly, do not panic. Stay calm and stay where you are.
Many people, on realising they are misplaced, will press on more quickly, or walk in any direction in the hope of finding something they recognise, thus making the problem worse.
Have something to eat and drink, this will both give you time to calm down and increase your blood sugar to help you think.
Gather All Available information
What can you see around you? Are any features in view, such as a forest edge or a stream, and what is the shape of the terrain around you, which way is the ground sloping?
How far have you walked since your last known position, (the location where you were last certain of your position). How long did it take you? What distinctive features did you pass, such as a path junction, knoll or forest edge?
See if you can locate any of these features on your map, and use the information to narrow down the possibilities.
Aspect of Slope
If the terrain you are on is sloping it is possible to use this important technique to help you find your position. Use your compass to take a bearing directly down the line of the slope, that is the line that a rolling ball might take, adjust for magnetic variation, and then search the map for slopes with that aspect.
In the example above, if we know we are somewhere in the vicinity of hill 668, and we take a bearing down the slope of 198°, then we can eliminate all slopes that do not have that aspect.
With our bearing set on the compass, we can line up the orienting lines in the compass housing with the north-south grid lines on the map. By moving the compass around the map we can locate the slope(s) where the long edge of the baseplate is pointing directly down slope, (and is at right angles to the contours).
We can now locate ourselves somewhere on the southwest slope of hill 668.
If you have been walking on a bearing, and the indications are that it was incorrect, then it is still possible to return to your last known position.
Instead of walking with the red end of the compass needle aligned with the orienting arrow, (keeping red in the shed), turn yourself through 180° and align the white end of the compass needle with the orienting arrow, (put white in the shed).
Following this bearing and remembering the paces, or time it took, you can return you to your previously known position. This will only work if you did not stray wildly off the original bearing, or wander around the hill hoping to see something you recognised.
Resection can be a time consuming process. It also relies on the fact that you can see far enough to identify two, and preferably three, major features that are also on the map such as hill tops or stream junctions.
It could be argued that if you can identify these features then you are not misplaced! However, under certain circumstances it can be a useful technique. If you are somewhere along a long, featureless ridge for example, and need to pinpoint your position more accurately.
- Take a compass bearing to a feature, and after converting it to a grid bearing, place one of the top corners of the compass baseplate on the feature identified on the map.
- Carefully manoeuvre the compass until the orienting lines in the housing line-up with the north-south grid lines on the map, being sure to keep the corner of the baseplate on the feature and the orienting arrow pointing north.
- Your position now lies somewhere along the long edge of the compass base plate, you can now plot this line on the map using a pen, (see red lines above).
- Repeat this for one or more features to pinpoint your position, depending on the accuracy with which you took the bearings your position will lie at the intersection of these lines.
Article by Russ Mills – Mountaintrails
These, and other navigation techniques, can be found in ‘Navigation in the Mountains’, published by Mountain Training and available through our website shop here:
Hypothermia occurs when the core temperature of the body falls below 35°C.
There are several subtypes of hypothermia, in the mountains the main type you might come across is Exposure Hypothermia. This generally occurs over several hours following exposure to moderate cold. The casualty becomes exhausted and then cools rapidly as their energy reserves are depleted and they are no longer able to shiver to re-warm themselves.
Another type to occur in the mountains is Immersion Hypothermia. This occurs where the casualty has had a sudden immersion in cold water or snow, the cold rapidly overwhelms heat production. Although rarer in the mountains, it can happen if someone falls in an icy stream.
Main Causes and factors
Hypothermia can be caused by several factors, hypothermia occurs when the body’s heat loss exceeds heat generation.
Weather – wind and rain decrease the body’s temperature more rapidly due to wind-chill. This means even on a relatively mild day, people can still succumb to hypothermia if it is windy and raining. The colder the air temperature, the higher is the risk.
Clothing/equipment – A lack of suitable waterproof clothing will lead to clothing layers getting wet, which will increase heat loss considerably. Waterproof jacket and trousers as well as at least two decent insulating layers such as a fleece or synthetic belay type jacket are important in trapping heat and cutting out wind-chill. The body can lose substancial amounts of heat through the head, so a hat is a must.
Dehydration and lack of food – The body needs food and drink in order to metabolise effectively and efficiently. The energy released by our metabolism heats our body, if our fuel reserves are depleted then we cannot produce the heat we need to stay warm.
Ill health – People who are ill may be less able to metabolise and generate heat, and so are more likely to chill quickly.
There are several ways of classifying hypothermia. Perhaps the easiest is to think of hypothermia in terms of mild, moderate and severe. However, it must be noted that different people exhibit different signs before others, and not all the signs and symptoms may be present in everyone.
At this stage the body still has resources of its own to try to fight the effects of the cold, shivering will occur which is a voluntary response of the body to re-warm itself. Asking the casualty to stop shivering is a good test, if they can then the hypothermia is mild.
At this stage hypothermia can be treated quite easily. Stop, find shelter, put more layers on and get high energy foods and warm drinks into the casualty. The food needs to be high energy e.g. a Mars Bar or glucose gels to help fuel the body’s production of heat. The casualty should then be able to walk off the mountain without any extra help from the emergency services.
If, on asking, the casualty cannot stop shivering, they are in the realms of moderate hypothermia. By now the body’s energy resources are depleted and it has no way of reheating. The brain itself is affected and people act out of character with the ‘Umbles’. Speech may become Mumbles, they Stumble or Tumble as they lose co-ordination, they may become irritable and Grumble, their ability to do small tasks such as do up their rucksack or close zips on their clothing will reduce to Fumbles.
Confusion occurs and sometimes a casualty maybe under the illusion that they are warm and start to strip clothes off. While the casualty is still conscious it may be possible to re-warm by extra layers and warm clothing. However around these temperatures, the heart is in danger of fibrillation and the casualty may collapse and become unresponsive.
32°C and below, the casualty is in a serious way. Their heart is now in serious danger of ventricular fibrillation, this is an abnormal heart rhythm where the heart muscles contract in an uncoordinated manner out of rhythm with each other. This is life threatening and can be caused by the shock of cold blood rushing into the heart if the casualty is moved roughly.
The severely hypothermic casualty now has a cooled brain and so their usual functions will disappear. It may be difficult to detect signs of life as the muscles become more rigid and so pulses may not be found. The body falls into a dormant like state and breathing may be so shallow and slow that this too may be undetectable, the casualty’s eyes may not react to light and may be dilated.
Prevention of hypothermia
Check the weather forecast and make sure that you are adequately equipped for the conditions. Even if the forecast is good, conditions can change rapidly in the mountains and the weather forecast may not be accurate.
Make sure you have adequate clothing; both waterproof trousers and jacket, warm layers and hats and gloves, (several pairs).
Take plenty of high energy food and preferably a hot drink.
Plan an appropriate route for the conditions and make sure that you can navigate using a map and compass so that you do not become lost and stuck in poor weather conditions.
A summary of symptoms, signs and treatment of hypothermia:
- Shivering, cold, pale skin
- Paleness/blueness of lips and extremities
- Fast breathing
- STOP! Seek shelter
- Extra layers
- Food & hot drinks (although often it is said that caffeine should be avoided because it is a diuretic, if it is the only hot drink available then it will still help the casualty)
- Uncontrollable and violent shivering
- Pale, cold skin
- Blue lips
- Slurred speech
- Lack of co-ordination
- Loss of motor skills
- Fumbling of easy tasks
- Irrational behaviour (e.g. stripping off clothes)
- As for mild hypothermia
- Monitor carefully
- If the casualty stops shivering, check that they really have warmed up before deciding to walk off, i.e. are they looking warmer, do they feel warmer to touch? Is their skin pinker? Are they back to their usual character? (Because casualties also stop shivering in severe hypothermia).
- Shivering ceases
- Cold, pale skin
- Blue lips
- Dilated pupils and not reacting to light
- Unconscious and unresponsive
- Muscle rigidity
- Breathing and pulse may be undetectable
- Move as little and gently as possible
- Insulate from ground and air with as many layers as possible (but do not make big movements of the casualty)
- Glucose gels smeared on the gums might possibly help, however, do not try to force feed an unresponsive casualty!
- Do not do CPR (you may not be able to detect the pulse and breathing although it may be present) N.B. a casualty is never cold and dead, only warm and dead
- Protect the airway; Safe Airway Position
Autumn is definitely upon us, the clocks go back at the end of October, reducing the amount of available daylight in the evenings; and we have already experienced the first hail storm of the season as we climbed Lugnaquilla mountain recently.
Despite the gathering gloom and the cooler days, autumn also brings with it some great opportunities for the hiker and mountaineer. The quality of the light becomes magical, and the golden glow from the sun is reflected back by the russet yellows and browns of the autumn leaves. Descending a hill at sunset, with crisp clear air and a stunning sunset is a special moment to savour.
But as the seasons march on, and autumn turns cooler, the weather in the mountains becomes more unpredictable. It gets a lot colder as you gain height, and a cool day in the valley can become an icy blizzard on the high tops. To keep comfortable and safe in these conditions there are a few items of cold weather gear we need to add to our rucksack.
Remember, the clocks go back one hour at the end of October, and as a result it gets dark much earlier, at around 17.00. This seems to catch out unwary hikers every year, and the Mountain Rescue organisations are constantly reminding us to carry a torch. Being caught out in the mountains in the gathering darkness can be an unnerving experience for those not used to hiking and navigating in the dark. Don’t be the one surprised by the shorter daylight hours and be sure to carry a torch, preferably a head torch, with spare batteries.
Hat and Gloves
Seems obvious doesn’t it?
Lightweight summer gloves won’t cut it in the cold wintry winds that rake the summit ridges at this time of year. Make sure to upgrade your gloves to take account of this, a waterproof fleece lined pair are best. Remember to take spares too. If you lose a glove, (and I am forever finding odd gloves lost in the hills), your hands can become painful and numb and you will lose dexterity and be unable to perform basic tasks. I am often replacing clients thin gloves with warmer ones once out in the hills, as they begin to feel the cold.
My favourite combination would be a pair of light liner gloves coupled with fleece over gloves, and a pair of winter gloves in the pack just in case. With my spare fleece gloves that makes four pairs in my kit!
Don’t forget your warm beany hat; you can lose a lot of heat from your head on a cold day. Acrylic, ‘thinsulate’ or wool materials all work well, just make sure it’s brightly coloured!
Spare warm layer
It’s a good idea to pack an extra warm layer to put on when you stop for lunch or get delayed. This might happen if there is an injury to one of your party or if you are forced to rest in an exposed position. This could be a fleece jacket that you put on under your waterproof. Remember that fleece is a good insulator but is not windproof, so is ineffective as an outer layer in windy conditions.
I prefer a lightweight synthetic insulated jacket with a windproof outer layer. This works just as well when wet as it does dry, and can be put on over your existing wet jacket if necessary.
Waterproof shell clothing
You will be carrying your waterproof jacket already, but at this time of year it can be really put to the test, so make sure it is clean and re-treated before the autumn storms set in. Don’t forget to pack waterproof pants too, if the rain is running off your jacket it will soak your legs if they are not equally protected.
Boots and gaiters
Make sure your boots are up to the task.
Fully waterproof boots are essential at this time of year, fabric boots are popular as they are light weight and relatively cheap, but they won’t keep you dry over a prolonged period in the boggy ground of Ireland. If you can, upgrade to a leather pair, they will last longer and keep your feet warm and dry through autumn and winter hikes for many years.
Wear gaiters to protect the uppers of your boots and to keep the mud and debris off of your trousers.
A mountain shelter or bothy resembles a large orange tent without any poles. You can throw it over your head and sit on the ‘hem’ to keep it stable. Inside you will be warm and dry, out of the worst of the weather. You can eat your lunch, take a break, or attend to an injury in relative comfort. They are an important addition to your cold weather gear, and come in a range of different sizes.
Map and compass
You should always carry a map and compass with you, even if you are familiar with the route.
There is a greater risk of the summits being enveloped in cloud at this time of year, and poor visibility should be expected. Take a spare map too, in case one gets blown away, and ensure they are laminated, or protect them with a soft map case, as a precaution against the weather.
Don’t rely solely on technology, though there is a place for phone apps and GPS, they are great as a back-up to your map skills, and they should not be used in isolation. These units can fail when they get wet, or too cold, or when the batteries die.
If you are not confident in your map and compass skills, attend one of our mountain navigation courses, held regularly through the year.
The cold weather gear above doesn’t weigh as much as you might think, and will keep you safe and comfortable when hiking in the mountains during the colder months.
The reassurance gained from knowing you have prepared for the worst will make it all worthwhile!
A grid reference is a series of letters and numbers that defines a unique square on a map, the more digits used the greater the accuracy and the smaller the square. Every country has its own unique grid, the lines are aligned north-south and east-west, forming a series of squares.
In Ireland the grid is divided into squares 100 kilometres x 100 kilometres (1 kilometre is a thousand meters).
There is a datum point set off the south west coast, which defines the 0 point, and each 100 km square is measured from here. The Irish grid is 500 km x 500 km and gives 25 squares in total.
Each square is represented by a one letter code, with the exception of I, which could be mistaken for a 1. See Fig. 1.
These 100 km squares are then subdivided further into smaller squares, each one being 1 kilometre across.
These 1 km squares are depicted on maps as blue numbered lines running north-south and east-west respectively. They are individually labelled using the ascending numbers 00, 01, 02, 03 etc… all the way up to 99.
The numbers along the bottom of the map, which increase towards the east are called Eastings , those numbers that are running up the side of the map and increase towards the north are called Northings.
When writing down a grid reference we first quote the Eastings then the Northings.
This can be more easily remembered by the saying ‘along the hall and up the stairs’.
We can define a given 1km square by first giving the 100km square box letter and then the 2 numbers for the Eastings followed by the 2 numbers for the Northings.
In the example in Fig. 2 the highlighted square is in the Slieve Mish mountains of Dingle, in the 100km grid square Q (see Fig. 1), the Eastings are 79 and the northings 09. It is written Q 79 09 and is known as a 4 figure grid reference.
The 1 km box can be further subdivided into one hundred 100 metre x 100 metres squares, ( these squares are not shown on the map).
This now allows us to define an area of land 100 meters square, (see red box in Figure 3), and is called a six figure grid reference.
The extra numbers needed are not shown on the map and must either be estimated or obtained more accurately using a Romer, (found in the top right hand corner of your compass).
The corner of the Romer is placed on the point to be identified and the numbers are read off where the Romer intercepts with the grid.
In the example in Fig. 4 the red dot has an easting of 5 and a northing of 7.
Grid references can be further used to accurately define a point on a map down to a 10 metre square, these are eight figure grid references.
A grid reference is important information, it allows you to inform others of where you are, (for example Mountain Rescue), and also allows you to locate features or a position on a map when given to you by someone else.
This article was written by Russ Mills of Mountaintrails, who provide navigation training and Mountain Skills courses in Ireland.
More information on our navigation courses can be found here: Mountaintrails Navigation Courses.
It seems as soon as the hot weather arrives in Ireland it has gone again. But it may return, and summer heatwaves do occasionally occur in our uncertain climate. In addition, many of us now head to hotter countries like Morocco, France and Spain to take hiking holidays.
Know Your Enemy
There are inherent dangers to hiking in hot weather and when the sun is beating down all day, and the most obvious of these are sunburn, dehydration and heat exhaustion.
Campaigns in recent years to alert us to the dangers of exposure to too much sun seem to have sunk home. Now almost everyone is aware of the risk of sunburn and skin cancer that comes with over exposure to the sun’s harmful ultraviolet rays.
At higher altitudes the sun’s ultraviolet rays are stronger, as the air is thinner and less able to shield us from them, and this leads to an increased risk of sunburn.
Sunburn is at best painful, and at worst brings the increased risk of melanoma and other skin cancers.
When hiking in hot weather, particularly when working hard or moving uphill, the human body starts to sweat to loose heat and regulate its’ core temperature. It is important to replace this lost fluid and the mixture of essential salts (electrolytes) that it contains, to maintain normal body functions.
One of the first and most obvious signs of dehydration is feeling thirsty, and this may be accompanied by a headache, dizziness and a feeling of weakness.
Your muscles need water to function correctly, and a further sign of dehydration may well be cramps in the legs.
Heat exhaustion is not as severe as heat stroke, but could be considered as a precursor to it. It is often related to dehydration, and the early signs are the same, headache, thirst, dizziness and dark yellow urine. These symptoms may also be accompanied by confusion, profuse sweating, cramps, rapid heart rate and fainting.
It is important to cool down, so seek out shade, rest and avoid exertion. Drink plenty of fluids and if possible wet the head and neck. Act quickly to avoid heat stroke, which is a serious condition requiring medical intervention.
So how best to cope when the heat is on? And what can we do to minimise the risks?
- Avoid hiking in the hottest part of the day.
Consider hiking in the early morning or evening and resting during the hottest part of the day, usually the afternoon. This is a good strategy in hot weather, and is important in avoiding the other risk areas, dehydration and overheating.
- Slap on the sun block.
The first line of defence against sunburn is to apply sunblock to exposed skin, the fair skinned and those not used to the sun should consider a factor 30+ or higher, and reapply during the day if you think you are sweating it off.
Remember to apply behind the ears and other awkward places, and if you are travelling over reflective surfaces, such as snow, apply below the chin and under the nose. I have seen some painful cases of under-nose sunburn in people travelling over snow for extended periods!
- Cover Up.
It’s important to cover exposed skin, wide brimmed sun hats are a must in strong sunlight, and wear long sleeve shirts and long pants to avoid too much exposure to the sun. Loose fitting and light coloured clothing will help you to stay cool when things heat up.
- Wet your shirt or buff to cool down.
Wearing a wet cloth (a light scarf or buff) around the neck, will help to cool you down, as the blood vessels run close to the surface here and a wet cloth next to the skin will help to cool the blood. If it’s really hot you can dampen your shirt in a stream for an even greater cooling effect.
- Drink to rehydrate.
To replace these lost fluids drink between 2 and 4 litres of water a day, though this is a generalisation as individuals differ in their needs. Drink when you are thirsty, which makes sense, avoid drinks containing caffeine and alcohol as these are diuretic and will make you pee more.
To replace lost salts mix water 50:50 with fruit juice or add shop bought electrolytes, such as dioralyte, to your water bottle.
- Modify your expectations.
Don’t take on too much in the day, rest more often when shade is available, and avoid the hottest part of the day. Take your time.
- Take care of your feet.
Sweaty feet pose an increased risk of getting blisters, take your boots off when you can and dry, or better still, change your socks. Dipping your feet in a cool stream on a hot day is one of life’s finer pleasures, and is great for cooling the blood.
- Lighten your pack.
If the weather forecast is nailed on for a sunny day, consider leaving your waterproof pants or spare warm layers at home. You might need the space for extra water anyway.
- Check your pee.
Check the colour of your pee, if it is a dark yellow colour than you are dehydrated, in a normally hydrated person it should be of a pale straw colour.
- Beware of cold water shock.
This occurs when the body is suddenly subjected to a rapid drop in external temperature, such as you might get if you jumped into a river. This sudden immersion results in a ‘gasp’ reflex, which can lead to water getting in the lungs, and to drowning. It is accompanied by contraction of the blood vessels which puts a strain on the heart, leading to possible heart failure.
(A selection of day packs from 25 litre to 45 litre.)
The two questions, “What size of pack do I need?” and “What features should I look for in a new hiking pack?”, come up time and again during discussions with our clients on our Mountain Skills Courses. Here I try to explain some of the more important features of day packs, (and one or two of the more frivolous ones.)
Size – This is possibly the most important consideration when choosing a hiking pack. Pack size is measured in litres, and denotes the volume of the pack. Mountain runners might get by with a small pack of around 8–10 litres, but a day pack that would carry the minimum you require for a day in the hills would more likely have to be around 25-30 litres capacity. For longer trips, winter hiking, or possible overnight stops the size you will need might increase to as much as 45-50 litres to accommodate the extra gear.
Back System – The simplest of back systems will have two vertical ribs of foam to offer some padding and comfort, these might be held in place by a mesh material to give a degree of ventilation to your back. This system is ideal for smaller day packs and is a feature of lower priced options.
Many manufactures now offer a back ventilation system on their higher specification packs. This comprises a taught flexible mesh to support the pack on your back with a gap between this and the pack proper. This allows for good air flow between you and the pack and reduces the sweaty back issue that can mar your hiking in warm weather.
It has the disadvantage that the weight of the pack is now pushed out and away from your body and this can be an issue with larger packs as it can affect your centre of gravity and lead to discomfort. For this reason this system is rarely seen in larger, heavier load bearing packs.
Some of the larger day hiking packs now offer an adjustable back length, these take various forms but all allow you to adjust the pack to suit your own back length and are an important feature of larger models as this will make for a much more comfortable carry.
Try out several different packs before you buy, get the store staff to take out the filling and weight it with ropes or similar, then adjust the back length to get the most comfortable fit.
(Above left: The ‘Air Zone’ ventilation back system) (Above right: Hip belt pockets can store small items)
Hip Belt – These vary from a simple light padded belt on the smaller packs to a contoured and more heavily cushioned support belt in the larger models. Some are now designed specifically for women, with their more rounded hips. A useful feature of some hip belts is a little zipped pocket, this is great for small items like a snack bar or lip-balm. Hip belts are unnecessary in the smallest day packs, but become essential to spread the load between your shoulders and hips in the larger models.
Shoulder Straps – All shoulder straps have a degree of padding, some more than others, and some are mesh covered to improve ventilation and comfort. In some women specific packs the shoulder straps are shaped to fit the female form. When trying on the pack, fit the hip belt first and then adjust the shoulder straps.
Lid Pockets – If the pack you are considering has a lid (and some do not, instead having a simple zip closure), then it should have external and internal zipped pockets. These are very useful for frequently used items such as gloves, hats and maps. Keep items you need to remain dry in the internal pocket under the lid, where they are less likely to get wet.
(Above left: Deep mesh side pockets are a useful feature) (Above right: Integral rain cover)
Mesh Side Pockets – A very useful feature found on almost all packs, placed low down on either side of the pack, they should be deep and of a stretchy material to hold in place items such as water bottles, extra snack food and gloves. They are also useful to hold the sharp ends of hiking poles firmly and safely.
Hydration System – Many packs now have an internal pouch next to the back to hold a platypus type water bladder; they also have a small outlet hole for the drinking tube to pass through. If you are a fan of this type of drinking system then a hydration pouch is essential.
Integral Rain Cover – This is an increasingly common feature of hiking packs, often placed in a small zipped pocket at the base of the pack. They can be quickly removed and pulled over the pack to help to keep the contents dry in rainy weather. They are not foolproof and should be used in conjunction with an internal pack liner to ensure your gear stays dry.
Chest Straps – These fasten across the chest and are designed to support and stabilise the load. They can be useful if you are hiking over complex or difficult terrain and where stability is essential. On the negative side, a chest strap can restrict breathing and become an irritation after a while, use sparingly.
The strap material should have a degree of stretch to accommodate an expanding chest when breathing heavily. Some are also adjustable up and down the shoulder strap to allow you to find the best position on your chest.
Some chest straps now also incorporate a whistle; this is a mixed blessing if you are hiking with young persons who might insist on blowing it constantly!
(Above left: Chest strap complete with whistle) (Above right: External map pocket)
Side Compression Straps – An important feature to allow you to cinch in a partly full pack and stabilise the load. Some models include a buckle for quick release and allow for the storage of hiking poles up the side of the pack, in conjunction with a mesh side pocket as above.
External Map Pockets – This is a feature of some packs and is useful for carrying maps and documents, though certainly not essential.
Walking Pole/Ice Axe Attachment points – You will find these at the bottom of the pack, usually on the rear facing panel. They can take several forms, but most often are a loop of strap material to secure the bottom of the pole. There is a corresponding attachment point higher up the pack to secure the shaft in place.
Most experienced hikers will use the outer mesh side pockets and compression straps to secure walking poles and axes as they are much more securely held here.
Some seasoned users will cut these loops off, as they never use them.
Separate Internal Compartments – These are a feature of the larger hiking packs. The bottom compartment is usually accessed via a zip, and is useful for storing waterproof clothing or a sleeping bag. It is possible to zip out the divider to give one large compartment, which you would need to do if you are using a full size internal pack liner.
Elasticated Bungie Cord Attachments – Some packs have a criss-cross of cord on the back panel to secure a cycle helmet or to temporarily stow an item of clothing. Though not essential, this can be useful additional storage.
Price! – Larger day packs with a lot of the above features can cost upwards of €100. But if you are working to a budget then it is possible to get a day pack with limited features from a supermarket for as little as €15.
This is not going to be the best option for carrying a lot of gear on a long day, but as a first pack for a young person or someone trying out hiking for the first time then it is perfectly suitable.
The more you are prepared to pay for your pack, the more feature rich it will be. Experience will show you which of the above you feel you really need on your pack, and which you do not.
Russell Mills owns and runs Mountaintrails, a guided hiking and mountain skills training business in Dublin, Ireland
All the packs shown here are available from Basecamp Outdoor Store in Dublin and Kilkenny.
Setting the map is a fundamental navigational skill that all competent mountain navigators should be familiar with.
When you open out a map, you intuitively hold it rather like a newspaper, so the writing can be read the correct way up. The straight lines you see running up and down the map are the north/south grid lines and the top of the map points to grid north.
But north on the map is not necessarily lined up with north on the ground, in the landscape around you. By lining up, or orienting, north on the map with north on the ground you are setting the map.
But why do we want to do this?
When the map and ground are aligned together, then a hill to your right will be also be to the right of your position on the map; and a river to your left will be seen as a river to your left on the map. As long as your current position is known, this enables you to transfer your intended direction of travel on the map to a direction of travel on the ground, and can avoid costly errors and confusion.
It should be the first thing you do when looking to start a new navigation leg.
Setting the map can be done in one of two ways.
- By aligning it with the features you see around you and can recognise on the map, such as hills, rivers, buildings and forests.
- By using your compass, this method is useful when there are few visible features; if you are in a forest for example, or visibility is very low.
Setting the map using features
Stand with the map held in front of you and rotate your map and yourself together until features you see in the landscape line up with features you can identify on the map; a hilltop in the landscape with the corresponding hill on the map, or a lake with the corresponding lake on the map. You should be able to draw an imaginary straight line between you, the feature on the map and the feature in the landscape.
Your map is now set, and if you know your current position, you can identify your direction of travel on the ground.
If you are not sure of your position setting the map will also help you find your approximate location; by identifying several features on the ground and their distance from you, and translating that onto the map. This is a simple, but effective, re-location technique.
Setting the map using a compass
If there are no suitable visible features to align with the map, if you are in a forest or visibility is poor, then it is possible to set the map using a compass.
The red end of your compass needle points to magnetic north, and by lining this up with the north/south grid lines on the map you will have set the map to a reasonable degree of accuracy.
For complete accuracy you would need to take account of the magnetic variation, the difference between grid north and magnetic north at your location. It will change with time, and depending on where you are. The magnetic variation for your location will be found in the margins of your map, usually with the legend, and should be added or subtracted from the 0° bearing accordingly.
Setting the map in this way can be done in three straightforward steps.
- Rotate the housing (dial) of the compass until the red orienting arrow in the housing is aligned with the direction of travel arrow on the compass baseplate. The bearing should read 0°, or north, adjust for magnetic variation at this point if you feel it necessary.
- Place the compass on the map and line up the edge of the baseplate with the north/south gridlines on the map.
- Carefully holding the map and compass together, and keeping them horizontal, rotate them together until the red end of the magnetic needle is aligned with the red orienting arrow in the compass housing, (also called putting red in the shed!).
The map is now set, (facing north), and by taking away the compass and holding the map steady you can now determine your direction of travel on the ground.
Mountaintrails are a guided hiking and mountain skills training business in Dublin, Ireland.
You can find out more about their navigation courses by checking out the Mountaintrails website.