Headwaters Lodge & Cabins at Flagg Ranch offers diverse camping options including tent sites, RV sites with full hook-ups (20, 30, 50 amp), and camper cabins, located just 2 miles south of Yellowstone's entrance along the Snake River.

The campground features 24-hour laundry and shower facilities, fire pits, and picnic tables at each site, making it an ideal basecamp for accessing both Yellowstone and Grand Teton National Parks.

On-site activities include fly-fishing, horseback riding, Snake River rafting, and hiking trails suitable for all ability levels, with reservations available through Recreation. gov (seasonal: early June to late September).