Warning
GeneralSummer Update: Enhancing our campground for youOur campground is getting an upgrade! A significant, multi-year construction project to enhance utility infrastructure will be occurring within the campground this summer. To minimize disruption to the campground experience, noise creating construction activities will be limited to 9am to 6pm. Please note that our laundry facilities will also have reduced availability during this project. We appreciate your patience as we improve your experience for seasons to come and cannot wait to welcome you this summer!
About Headwaters Campground at Flagg Ranch
Number of accommodations: 165
Campground Amenities
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General Store
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Pet Friendly
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Potable Water
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Restaurant
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Showers
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Propane
Seasonal information
2026 Season availability
Sites & Availability
165 Sites Available
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Site Details
Select a site to view details
165 Sites Available
No available sites
All sites are booked for your selected dates. Try showing all sites to see booked options, create an alert to be notified when something opens up, or adjust your dates.
Reviews (554)
What Guests Are Saying
Headwaters Campground at Flagg Ranch is highly praised for its excellent location between Yellowstone and Grand Teton, making it a convenient base for exploring both parks. Reviewers appreciate the clean facilities, friendly staff, and well-maintained grounds, along with amenities like hot showers and a grocery store on-site. While some noted noise levels and tight campsite spacing, many expressed satisfaction with their overall experiences and indicated they would return.
What Guests Are Saying
Headwaters Campground at Flagg Ranch is highly praised for its excellent location between Yellowstone and Grand Teton, making it a convenient base for exploring both parks. Reviewers appreciate the clean facilities, friendly staff, and well-maintained grounds, along with amenities like hot showers and a grocery store on-site. While some noted noise levels and tight campsite spacing, many expressed satisfaction with their overall experiences and indicated they would return.
Review Summary
Bart D
VerifiedJuly 22, 2024 • Stayed at: 308, Loop: 300s
Tight wooded sites at the south entrance to Yellowstone. Good local services at adjacent Flagg Ranch. Pricey, but worth it for the location and facilities.
ROBERT D
VerifiedJuly 21, 2024 • Stayed at: 433, Loop: 400s
Location was good for most activities. Site had good spacing but the road were very dusty. General store and gas very near by. Restrooms where very clean. Over all I would stay there again.
Helga F
VerifiedJuly 21, 2024 • Stayed at: 407, Loop: 400s
Shady site, nice landscape, friendly and helpful staff, very quiet, but very dusty ground.
Sandra R
VerifiedJuly 21, 2024 • Stayed at: 109, Loop: 100s
Extremely overcrowded and overpoliced. This place feels like a KOA. Zero peace. I awoke at 5:30 am to make a cup of coffee. My propane stove was out on the table and I went inside the cabin to dress. Within 2 minutes someone strode into my campsite, took my stove, and began writing out a citation. Keeping everyone safe from bears is fine, but that was ridiculous. Campsites are right on top of each other and shockingly expensive. This place is clearly motivated by profit. Never again.
Allen H
VerifiedJuly 20, 2024 • Stayed at: 526, Loop: 500s
Great location 👌 for Grand Teton
Stasja K
VerifiedJuly 20, 2024 • Stayed at: 112, Loop: 100s
It was really nice and simple we loved the camping cabins and everything was very nice and clean. The bathrooms were simple but clean! And the area was super close to the national parks!
Eric H
VerifiedJuly 20, 2024 • Stayed at: 213, Loop: 200s
We loved the cabin we stayed in (#213) and the location of the campground. The campground roads can't be driven faster than 5 MPH without raising a cloud of dust spoiling the experience for anyone sitting outside. The men's bathroom closest to the cabin only had two working stalls which were constantly busy in the morning. The other one was marked OUT OF ORDER. I now understand why the campground mosquitoes are considered the Wyoming state bird. The campground store does not have block ice. We did find block ice at the Old Faithful Inn general store.
Brenda Y
VerifiedJuly 20, 2024 • Stayed at: 212, Loop: 200s
I stayed at multiple campsites in Yellowstone and Grand Teton and the camper cabin at Headwaters is my favorite. The wood cabin was not leaking cold air which was my experience at the Colter Bay tent Village. The 24 hour shower facility is nice. Best of all I enjoy the central location to explore both Yellowstone and Grand Teton.
Tobias S
VerifiedJuly 20, 2024 • Stayed at: 302, Loop: 300s
I loved staying at Flagg Ranch, our neighbors were very nice and the staff as well! It was great to have free showers and the main part of Teton (Jenny Lake etc) was only an hour and a half away!
Joyce A
VerifiedJuly 18, 2024 • Stayed at: 623, Loop: 600s
Very nice Campground with lots of trees. Conveniently located between Yellowstone and Grand Teton National Parks. Would highly recommend this Campground
Location Headwaters Campground at Flagg Ranch
Address:
1 Grassy Lake Road
Moran, WY, 83013
United States
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.
Latitude & Longitude: 44.1068 / -110.666
Elevation: 2088 feet
Policies & Rules
| Category | About |
|---|---|
| General |
The maximum stay permitted at the Flagg Ranch Campground is 14 nights, and the maximum cumulative stay between all park campgrounds is 30 nights. Changing Reservations: • If a visitor wants to switch dates that are entirely outside of the original reservation dates, there is a $10 change fee.
Deposits:
Cancellations:
Late Cancellations or Cancellations within the Cut-off Window:
No-Shows:
Early Departures:
Refunds:
Emergency Closures:
|
Warnings & Advisories
Warning
GeneralSummer Update: Enhancing our campground for youOur campground is getting an upgrade! A significant, multi-year construction project to enhance utility infrastructure will be occurring within the campground this summer. To minimize disruption to the campground experience, noise creating construction activities will be limited to 9am to 6pm. Please note that our laundry facilities will also have reduced availability during this project. We appreciate your patience as we improve your experience for seasons to come and cannot wait to welcome you this summer!