bootleg trail
n.— «If you must camp on undisturbed ground, do what you can to limit soil compaction, the formation of bootleg trails, and the trampling of plants.» —by Robert C. Birkby Lightly on the Land: The Sca Trail-Building and Maintenance Manual July, 1996. (source: Double-Tongued Dictionary)
Further reading
What’s it like to hike the Pacific Crest Trail all the way from Mexico to Canada? You’ll end up with sore muscles and blisters, and great stories to tell. Along the way, you’ll also pick up some slang, like NoBo, SoBo, Yo-yo and...