Nude Hiking

NYT:

In recent years, it has become fashionable for a growing number of Swiss and some foreigners to wander in the Alps clad in little more than hiking shoes and sun screen. Last summer, the number of nude hikers increased to such an extent that the hills often seemed alive with the sound of everything but the swish of trousers.

If you want info about nude hiking in the United States, go no further than the Nude Hiking Blog.