Why Carry a Compass at All?

Your phone is a superb nav aid — right up to the moment the battery dies in the cold, the screen fills with sleet, or a wet glove refuses to register a tap. A baseplate compass weighs less than a bar of chocolate, works in the rain, and never needs a signal. The map and compass are not a backup for technophobes; they are the skills that let you keep walking confidently when the cloud comes down on the Carneddau or the wind is throwing spindrift across Kinder Scout.

The trick is to make these skills boringly familiar. Fumbling with a bearing for the first time on a dark January descent is not the moment to learn.

Set the Map Before You Need It

Start by orientating the map, so that what you see on paper matches the ground in front of you. Lay the compass flat on the map with the baseplate edge along a grid line. Rotate your whole body — and the map with it — until the red needle sits inside the orienting arrow, remembering to allow for magnetic variation. The margin of your map gives the current figure and the year it was calculated; in most of Britain it is only a degree or two, but in western Scotland it is worth adjusting properly.

Then thumb the map. Fold it so the area you want is visible, and keep your thumb planted on your current position. Every time you check, you re-locate yourself instantly rather than scanning a whole sheet. A transparent map case and a folding routine turn a huge sheet of paper into a usable instrument.

Taking a Bearing and Walking On It

• Place the long edge of the baseplate between where you are and where you want to be.
• Rotate the bezel until the orienting lines line up with the eastings — the vertical grid lines — with the orienting arrow pointing to the top of the map.
• Lift the compass off the map and hold it flat at chest height. Turn your feet and body until the red needle sits in the orienting arrow.
• Look up along the direction of travel arrow and pick out a feature — a boulder, a crag nose, a gap in a wall — then walk to it and re-check.

This last point matters. Walking on a compass alone is a stuttering business; walking to a visible object on the bearing line is smooth and accurate. When aiming at a summit in mist, deliberately aim off a hundred metres to one side. You then know which way to turn when you hit the feature, rather than guessing.

Estimating Distance Without Gadgets

Two simple methods, used together, are accurate enough for most hill days. The first is pacing: count double paces over a measured 100 metres on flat ground, then again on rough ground, and note the difference. Most adults take roughly 60 to 70 double paces per 100 metres on a path, and considerably more on tussocky ground.

The second is timing. A reasonable working rule on British fell terrain is 4 kilometres per hour on the flat, plus one minute for every 10 metres of ascent. Add time for bog, boulder fields and steep descents, and you will rarely be far out.

On the map itself, remember your scale. On a 1:25,000 Explorer, 4 centimetres is 1 kilometre; on a 1:50,000 Landranger, 2 centimetres is 1 kilometre. The romer on your compass baseplate, or the millimetre markings on its edge, will measure this in seconds.

Handrails, Collecting and Catching Features

Good navigators rarely walk in a straight line to a summit. Instead they use the landscape's own shapes.

• Handrails are linear features you can follow: a boundary wall, a fence line, a stream, a ridge, a forest edge, a path. A wall running towards your target is worth more than any bearing.
• Collecting features confirm you are on track — a small tarn, a sheepfold, a stream junction, a change in slope.
• Catching features stop you overshooting — a road, a river, a loch shore, a sudden steep drop. If you hit one, you know exactly where you are, and the plan still works.

Read the contours too. Widely spaced lines mean gentle ground; tightly packed lines mean steep ground and slower progress. A re-entrant, a spur or a shoulder can all be used as a handrail in the right circumstances.

Practise It Before You Need It

Build the habit on easy days. Take a bearing between two features on a hill you know well, pace 200 metres along it, and see whether you arrive where you expected. Navigate a leg without looking at your phone at all. On a misty day, deliberately leave the GPS in your rucksack and navigate to a small target — a stream bend, a cairn, a wall corner.

Then push it further: dusk, darkness, rain, winter. The skills are simple and the rewards are large. Being able to stand on a British hillside, check a bearing, estimate your distance and know precisely where you are — without a screen — is one of the quiet pleasures of the outdoors.