Headwaters Campground at Flagg Ranch offers a prime basecamp between Yellowstone and Grand Teton National Parks with 34 tent sites, 97 full-hookup RV sites, and 40 cabins, all within walking distance of the Snake River.

The campground features full amenities including clean bathrooms with hot showers, laundry facilities, a convenience store, restaurant, and gas station on-site. Reservations are required and book on a 6-month rolling basis through Recreation.

gov; the campground operates June through October with a maximum 14-night stay limit.