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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No available sites
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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
Robert N
VerifiedAugust 6, 2025 • Stayed at: 527, Loop: 500s
clean restrooms and showers. Camp sites are crammed together pretty tight but that seems too common nowdays.
John M
VerifiedAugust 6, 2025 • Stayed at: 620, Loop: 600s
nice camp close to the river
Lawrence M
VerifiedAugust 6, 2025 • Stayed at: 329, Loop: 300s
Everything was what I expected. Lot of empty sites when website claimed it was full.
Valerie C
VerifiedAugust 5, 2025 • Stayed at: 205, Loop: 200s
This place had the cleanest bathrooms and showers of any campground I have ever stayed at. The man at the check in office was so kind and went out of his way to charge my husband's GCM and phone so we could monitor his blood sugar. The cabins were bare bones but clean. We had a delightful stay.
Lawrence M
VerifiedAugust 5, 2025 • Stayed at: 110, Loop: 100s
Enjoy the stay
J D
VerifiedAugust 4, 2025 • Stayed at: 113, Loop: 100s
I love this place. Always a good time. Staff is always friendly and helpful. The only improvement I would suggest is dust control on roads and maybe wet mop non electric cabin floors. Thank you
Jerry H
VerifiedAugust 4, 2025 • Stayed at: 326, Loop: 300s
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Samantha S
VerifiedAugust 3, 2025 • Stayed at: 208, Loop: 200s
We loved our stay here and wish we stayed more days. Very cute and cozy and quiet. It was a nice drive from the northern part of grand Tetons and easy to drive to Yellowstone. We felt our cabin was perfect location close to the bathrooms. Everyone who works there was nice. It was nice to walk over to the lodge to get coffee, etc. in the morning and beer at night. Would definitely be so happy to stay there again.
Kevin K
VerifiedAugust 3, 2025 • Stayed at: 511, Loop: 500s
campground was central for all my activities.
Monica H
VerifiedAugust 2, 2025 • Stayed at: 212, Loop: 200s
Great location. Only 2 minute walk to campground store for last minute needs and half that distance to the shower/toilet facilities. Wifi supported submitting some assignments from work, Verizon has full service in the entire area. Quicker to get to Yellowstone than the rest of Teton park, so if you're looking to see both, this is a good spot. Cabin itself was clean, spacious although neighboring cabins were a little close on one side.
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!