大提頓的是先到先得,黃石的可以預訂,打電話過去的時候會先charge一個晚上的錢.

露營的信息:
Grand Teton National Park
http://www.nps.gov/grte/planyourvisit/campgrounds.htm

Yellowstone
http://www.nps.gov/yell/planyourvisit/camping-in-yellowstone.htm