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
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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
john w
VerifiedAugust 4, 2023 • Stayed at: 203, Loop: 200s
Mattresses are hard, thin, very little cushion.
Bathrooms and laundry rooms are clean and nice.
If you are near the entrance, traffic noise at all hours.
Tiny la tern in cabins we're from toys 'R us...
Mark R
VerifiedAugust 2, 2023 • Stayed at: 605, Loop: 600s
Excellent campground and the cabins were perfect for our family. Very bare-bones, but exactly what we needed to make camping easier and more enjoyable while on a long road trip. Beds were comfortable and the cabins were clean. Not cheap, but still worth it.
Molly G
VerifiedAugust 1, 2023 • Stayed at: 217, Loop: 200s
Great cabin, clean and safe.
Roxanne P
VerifiedAugust 1, 2023 • Stayed at: 316, Loop: 300s
Clean campsite, easy check-in. Rules were reviewed at check in, easy directions to our campsite with map.
Richard W
VerifiedAugust 1, 2023 • Stayed at: 419, Loop: 400s
It's a place to park close to the National Park. Restaurants, concierge and concessions if that's your thing. Cramped sites, dirty and dusty. Toxic wood smoke from fire pits at all hours (a firewood for sale sign right next to an extreme fire danger sign???). We left a day early. The RV sites cost more than the cabins (I guess you can price gouge when demand is greater than supply).
Abram S
VerifiedJuly 30, 2023 • Stayed at: 325, Loop: 300s
Our family really enjoyed tent camping at Flagg Ranch. The facilities were nice for a campground and the staff did a nice job keeping the bathrooms clean. The campground was generally quiet with minimal traffic rolling past our site. The location of the campground was perfectly situated between Yellowstone and the Grand Tetons. The only knock, and this is a minor thing, is that the campground roads were a little dusty. But is is a campground, so what do you expect. It didn’t detract from the experience, just something to be aware of if you leave things out to dry. Overall, we were very pleased and would certainly recommend and return in the future.
David S
VerifiedJuly 30, 2023 • Stayed at: 330, Loop: 300s
You don't want to stay here if you are a senior. They have the billing setup so as to cut your discount in half. They charge you $50 per night for electricity and $50 a night for camping. They don't have to give you a discount on the electricity so they charge $50 for it when there is no way to use more than $5 for one day. It's a scam. Tried to alert Recreation.gov but no one cares enough to do anything about it.
Daniel S
July 28, 2023
Great Campground just a couple miles from the South entrance to Yellowstone. The staff were good people and the Campground is kept nice. No complaints at all about this one!
Doug T
VerifiedJuly 28, 2023 • Stayed at: 319, Loop: 300s
Showers need to be remodeled. Lots of mold and dirt. Ugh!
The campground was extremely dusty which was made worse by people speeding thru above the posted 10 mph speed limit. Not enough signs and speed limit should be 5 mph not 10 mph as posted.
The real solution is to pave the roads inside the area where people are camping.
Mark M
VerifiedJuly 28, 2023 • Stayed at: 110, Loop: 100s
The family enjoyed the info sessions at the amphitheater and were blown away at the use of fudge stripe cookies to make s’mores we want to return in the future
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!