Robuta

https://www.nps.gov/deva/planyourvisit/wilderness-permits.htm

Wilderness/Backcountry Use Permits - Death Valley National Park (U.S. National Park Service)

death valley national use permits wilderness backcountry park

https://www.nps.gov/cany/learn/news/news061412.htm

New Fees for Backcountry Permits - Canyonlands National Park (U.S. National Park Service)

canyonlands national park backcountry permits new fees