Headwaters Campground at Flagg Ranch

Grand Teton National Park

Availability will go live on Recreation.gov on a 6-month rolling basis for RV sites, Tent sites, and Camper Cabins.  

Located in the John D. Rockefeller, Jr. Memorial Parkway, directly between Grand Teton and Yellowstone National Parks and just minutes from both, Headwaters Campground offers the perfect basecamp for exploration. Situated in a spectacular wooded setting with rolling hills and Teton mountain views, this campground is the perfect place to unwind and unplug, as there is no cellular or internet service. Commune with nature and spot bear, moose, mule deer, and more as you stroll along nearby Polecat Creek. For avid anglers, the Snake River offers plentiful cutthroat trout, brook trout, and whitefish. While none of Headwater’s campsites are on the river, all are within walking distance.   

The campground offers 34 tent sites, 97 full-hookup and pull-through RV sites, and 40 Camper Cabins, and is open from June to October. Visitors are encouraged to plan ahead and book early.  

Headwaters campground offers camping for tents, full-hookup camping for RVs, and hard-wall Camper Cabins. Each tent site has a gravel parking space for up to two vehicles, and tent pads for up to two tents. All RV sites are pull-through with gravel parking space for one RV and one tow vehicle with a maximum total length of 45 feet. Our RV sites offer full-hookups including sewer, water, and 20-, 30-, and 50-amp electric outlets. Propane is available for purchase at the campground office.

Headwaters Camper Cabins are scattered throughout the campground and include double-double or double-single bunk-style beds. While the bunks are padded, bedding and pillows not included. Guests are encouraged to bring their own linens, however a limited quantity of sleeping bags, pillows and blankets are available on a first-come basis for a nightly fee. Our Camper Cabins do not offer electricity or private restrooms, but do include a lantern.

All sites, including Camper Cabins, have a picnic table, a fire pit with metal fire grate, access to nearby water spigots, flush toilets, shower facilities, and coin-operated laundry facilities. Tent and RV sites also include food storage lockers. A phone is available in the lodge lobby for public use 24 hours per day.

ADA Access: The campsites and roads are well-compacted gravel and mostly level, with a gently sloping incline/decline that may make wheelchair access more challenging. Restroom facilities are wheelchair-accessible with one fully accessible shower. Routes to the amphitheater have a gently sloping incline/decline with compacted gravel, and are somewhat uneven.

Firewood, food, and ice can be purchased at the convenience store, and camping supplies, souvenirs, and more are available in the gift shop, both located in the main lodge. The main lodge also offers casual dining for breakfast, lunch, and dinner at Sheffields Restaurant and Saloon.  Please note that some facilities and services—including restaurants, activities, and retail operations—may have modifications or limitations. Learn More.  

Need to Know

Natural Features

Headwaters at Flagg Ranch is situated in a tranquil setting along the upper reaches of the Snake River, surrounded by meadows and conifer forests. The Yellowstone Plateau rises to the north, and Huckleberry Mountain to the east.  

Within walking distance is Polecat Creek, which runs through forests, wildflower meadows, and thermal features. For avid anglers, the Snake River offers plentiful cutthroat trout, brook trout, and whitefish. This area is known for its remarkable fly fishing and photography opportunities.  

Headwaters is home to elk, moose, mule deer, wolves, black and grizzly bears, a wide variety of birds and more. Bears are often seen on trails and in the developed areas. Being prepared for an animal encounter can help ensure your safety as well as that of the wildlife that call this spectacular area home.

Nearby Attractions

One of the many reasons visitors return to Headwaters at Flagg Ranch year after year is its close proximity to Yellowstone’s south entrance, just a few miles north. But while it wouldn’t be difficult to spend all your time exploring our country’s very first national park (and the second-largest in the lower 48 states), there is much to see and do in the opposite direction as well. Take a self-guided tour of Grand Teton National Park via the 43-mile Scenic Loop Drive, offering an opportunity to photograph the park’s famous landscape and local wildlife. Spend a few hours at Colter Bay Village, located about 30 minutes south of Headwaters Campground, where you can rent a kayak or canoe, take a guided boat ride to the majestic base of the Teton Range, or just enjoy lunch and the stunning lake view from the marina. Continue on and stop in at the historic Jackson Lake Lodge for its famous huckleberry milkshakes and spectacular Teton views through 60-foot tall wall-to-wall windows. While you’re there, book a scenic raft trip or park bus tour. From there, continue south to the town of Jackson, located about 50 miles from Headwaters, where you can visit the National Museum of Wildlife Art just outside of town, walk under the famous giant elk antler archway in town center, attend the Jackson Hole Rodeo, browse local shops, and dine at one of the many restaurants.  


The Headwaters area is a prime location for wildlife watching and photography. Walk along the banks of Polecat Creek through wildflower meadows and conifer forests to capture that perfect photo of a beaver, moose, elk, bison, bear, or birds. (Be sure to maintain appropriate distance!) Although soaking is not permitted, Huckleberry Hot Springs is an easy 2.5-mile loop that starts at Polecat Creek. 

The Flagg Canyon trail is a good option for all ability levels. This 5.1-mile out and back hike winds through meadows and cliffs along the Snake River, and features a waterfall. There is plenty of wildlife to see in this area, including marmot, elk, and white-throated swift. 

Changes & Cancellations

Changing Reservations:  



Late Cancellations or Cancellations within the Cut-off Window:


Early Departures: 


Emergency Closures:

Contact Information


1 Grassy Lake Road Unit 187 Moran WY 83013

Phone Number

For campground inquiries, please call: 307-543-2861

Rental Options

Learn more about gear rental options for your trip

Driving Directions

The address for Headwaters at Flagg Ranch is located below; however, due to this property's remote location, GPS cannot always be relied on.

100 Grassy Lake Rd. 

Moran, WY 83013 

(Two miles south of the south gate of Yellowstone) 

From Yellowstone:

Follow the signage to the South gate of Yellowstone - about 40 miles from Old Faithful.

After exiting the south gate, Headwaters at Flagg Ranch will be just 2 miles South on the right side of the road.  

From Jackson, WY:

Head North from Jackson on US 191/89.

Turn left to continue on US 191/89 at the Moran Junction and enter the Grand Teton National Park through the Moran entrance. 

Continue straight through the Jackson Lake junction for another 21 miles. 

Headwaters at Flagg Ranch will be located on the left side of the road. 

As you pull into the property, the lodge will be located on your right and the campground will be on the left.  

Please note Grassy Lake Road is a dirt and gravel road that leads to Ashton, Idaho. Four-wheel drive is strongly encouraged on this narrow single-lane road. It is not recommended for trailer traffic or large vehicles. 

Available Campsites

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