Almost all of it is on the road, and most of it is in the Napa Valley -- but I also ride up in the Sierra from time to time, and when I travel in Europe. To get those kinds of miles, I don't get to take long periods of time off!
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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