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A compass is a very useful aid in mist, even if your skills only extend to ‘northwest, southeast’ rather than precision bearings. Magnetic deviation is about 4° west: to convert a map bearing accurately to a compass one, add 4. No magnetic rocks have been found in this area (it’s you that’s wrong, not the compass!). GPS receivers should be set to the British National Grid (known variously as British Grid, Ord Srvy GB, BNG, or OSGB GRB36).

How to use this book

The headers at the start of each walk should be self-explanatory. The walk-type icons are shown on page 9. The difficulty blobs are explained in the panel opposite. The length blobs correspond with the approximate times in the main headers: one square is a short day up to six hours, two squares up to eight hours, and three squares an even longer day; four squares are two days, and five is longer than that. The approximate times are based on one hour for 4 horizontal km or for 500m of height gained, with extra time where the ground is particularly steep or rough. They’ll be about right, including snack stops, for a moderately slow party with light rucksacks, or a moderately strong one backpacking.

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