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
Daniel R
VerifiedSeptember 3, 2024 • Stayed at: 210, Loop: 200s
Stayed in a basic cabin. The mattress was terrible but besides that it was good. The girl that checked us in was very friendly. Location was good between the the two parks.
Julius H
VerifiedSeptember 1, 2024 • Stayed at: 516, Loop: 500s
Very nice campsite. Plenty of trees and partial shade. Campground road has a lot of potholes so must be slow and deliberate negotiating RV through it. It also results in lots of puddles and mud when it rains. Bathhouse is clean and functional. Trash is centrally located with easy access.
Gregory B
VerifiedAugust 31, 2024 • Stayed at: 515, Loop: 500s
This was a beautiful, relaxing campground that was close to everything. We arrived on 21 Aug and Lisa Ann greeted us with exceptional grace and alot of information regarding the local area. She did a wonderful job. We had an amazing stay there, and next time we come to Grand Tetons, I wiuld love to stay at Headwaters again.Thank you all so much!
Brett M
VerifiedAugust 29, 2024 • Stayed at: 625, Loop: 600s
Check-in was very easy. Very nice young lady at the registration desk; quick and easy check-in. Camp site was great and the bathroom/shower facilities were nice. Camp store and gas station were convenient and handy to get fuel and camp needs. Very quiet and peaceful campground. An easy location to start the morning by heading to the Teton Park Rd. and spending the day touring the area. Will come back to this campground again!
Katherine T
VerifiedAugust 27, 2024 • Stayed at: 520, Loop: 500s
The tent camp site was on the small side, but for one night it worked out just fine. The bathrooms are clean and the showers are free and hot. It was in a good location to see both Grand Teton NP and Yellowstone NP.
robert d
VerifiedAugust 27, 2024 • Stayed at: 330, Loop: 300s
Easy to find, convenient location, large sites with all hook ups, bathrooms were clean-nice showers. Great restaurant, gas station and convenient store nearby. Excellent staff :)
Rachel D
VerifiedAugust 19, 2024 • Stayed at: 309, Loop: 300s
Very accommodating! Nice campsite with all the needed amenities and perfectly in-between both parks!
Jenny N
VerifiedAugust 19, 2024 • Stayed at: 423, Loop: 400s
Staff were very friendly.
Sonja K
VerifiedAugust 18, 2024 • Stayed at: 110, Loop: 100s
The campground and facilities were both very nice and clean. We had to move from a campsite to a cabin and both areas were clean and worked well for our family.
Parker C
VerifiedAugust 16, 2024 • Stayed at: 610, Loop: 600s
Great area and site! Very clean with working showers, bathrooms, and beautiful views
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!