Headwaters Lodge & Cabins at Flagg Ranch is a full-service campground located just 2 miles south of Yellowstone's entrance, offering tent sites, RV sites with full hook-ups, and camper cabins along the Snake River.

The facility provides excellent access for fly-fishing and paddling enthusiasts with on-site guided fly-fishing trips, canoe/kayak rentals on Jackson Lake, and Snake River rafting available through their seasoned guides.

Amenities include 24-hour laundry and shower facilities, a convenience store, restaurant, and horseback riding, making it an ideal basecamp for exploring both Yellowstone and Grand Teton National Parks.