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A GPS can tell you with reasonable precision where you are. So far as I am aware, they don't tell you if you are about to walk off a cliff. The normal tourist path on Ben Nevis goes close enough to...
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A GPS can tell you with reasonable precision where you are. So far as I am aware, they don't tell you if you are about to walk off a cliff. The normal tourist path on Ben Nevis goes close enough to...