Until the fog rolls in. That's the only time I've wished for a GPS unit, hiking in a forest in a foggy snow flurry. Happily, we found the trail we needed to get home.

I love maps, and learned navigation both hiking and sailing. But every once in a while I find myself thinking: "I wish I could a better view of exactly where we are..."
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Check our our website: http://www.backpackthesierra.com/

Or just read a good mystery novel set in the Sierra; https://www.amazon.com/Danger-Falling-Rocks-Paul-Wagner/dp/0984884963