Moose Flat Campground
02 reviewsMoose Flat Campground, Alpine, WY
Moose Flat Campground
$10.00 - $15.00 / night
Campsite Fees
Standard Site Fee$15.00
Hookup Site Fee$0.00
Premium Site Fee$0.00
Hike and Bike Site Fee$0.00
Group Site Fee$0.00
Food Storage Locker Fee$0.00
Overnight use fees range from $10 to $15 per night. Interagency Senior/Access Recreation Pass holders receive a 50% discount on single campsites they occupy. Payments must be made with cash or check.
About this campground
Tucked away in the pristine Bridger-Teton National Forest, Moose Flat Campground beckons those seeking an intimate connection with Wyoming's wilderness. This hidden gem features just 10 thoughtfully spaced campsites along the melodic waters of the Greys River, where the gentle rush of mountain water creates nature's perfect soundtrack. Dense vegetation weaves natural privacy screens between sites, making each camping spot feel like your own secret retreat in the forest.
Moose Flat Campground offers standard camping accommodations suitable for tents and small RVs. "Great campground for tent or small camper use." - User review by A.J. Haslam.
Weather and SeasonsFrom May's awakening wildflowers through Labor Day's golden finale, Moose Flat welcomes adventurers to experience the dynamic mountain seasons. Spring arrivals might witness frost-kissed mornings giving way to warm afternoons, while summer brings long days perfect for exploration. Late-season campers should pack layers, as September nights can flirt with freezing temperatures, reminding visitors of the approaching alpine autumn.
ElevationPerched at 6,200 feet above sea level, Moose Flat offers that perfect high-country experience where the air feels crisp and clean. This elevation brings refreshingly cool nights that invite cozy campfires and warm sleeping bags, while daytime temperatures remain comfortable for hiking and exploring. The thin mountain air adds an extra sparkle to the star-filled nights that make high-elevation camping so memorable.
Natural Features and SceneryA living cathedral of towering Engelmann spruce and Lodgepole pine creates a verdant canopy overhead, while wild roses and lush understory plants paint the forest floor with seasonal colors and intoxicating fragrances. The Greys River, your constant companion, dances alongside the campground, its crystal-clear waters reflecting the surrounding peaks and providing endless opportunities for quiet contemplation or exciting wildlife viewing.
Geological RegionMoose Flat rests in the heart of the Greys River corridor, a geological masterpiece carved through the Bridger-Teton National Forest over millennia. The surrounding landscape tells an ancient story through its Engelmann spruce and Lodgepole pine forests, while the understory bursts with wild roses and native shrubs that create natural privacy walls between campsites. This riparian ecosystem supports a rich tapestry of mountain life, from the smallest wildflowers to the region's namesake moose.
Campsite details
AccessibilityWheelchair-friendly toilets are available.
Sites SizeSites can accommodate trailers up to 30 feet long.
Sites PrivacyDense middlestory vegetation, including wild roses, provides privacy for closely spaced sites.
Total Campsites10 campsites
Recommended CampsitesSites closer to the Greys River may offer better views and access to the water.
Best CampsitesNone explicitly identified.
Reserving a campsite
Stay Limit
Limited to 14 days per stay.
Guests Allowed Per Site
Amaximum of 2 vehicles allowed per campsite.
Groups
No group camping sites available.
Tents
Tents are allowed
RV vehicles
RV vehicles are allowed
Primitive
Primitive are allowed
Reservable
Reservations are not allowed
Site layoutThe campground stretches along the Greys River, with campsites tucked among dense vegetation ensuring privacy.
Open and Closed SeasonOpen seasonally from May 1 through Labor Day weekend, weather permitting.
Reservation PlatformsReservations are not available; all sites are first-come, first-serve.
Walk-in AvailabilityAll sites are first-come, first-serve. There are no reservations available.
Cancellation PolicyNot applicable as the campground operates on a first-come, first-serve basis.
Amenities available
Potable water
Fire rings
Picnic tables
Vault toilets
Activities you can enjoy
Moose Flat Campground offers limited recreational activities, such as hiking and picnicking. "Picnicking - Single" is explicitly mentioned.
Hiking
Access to Pearson Creek Trail #38 (1.5 miles, for foot and horse use) and Way Trail #79 (4.9 miles). Hiking trails are adjacent to the campground and may require a river ford.Fishing
Fishing opportunities are available in Greys River, with Cutthroat and Brown trout noted as common catches.Winter Activities
No explicit information provided about winter activities.Water Sports
No motorized or non-motorized water sports are available.Campground rules
- Pets are not allowed
- Campfires are allowed, with fire pits available at each site.
Hazards
General hazardsPotential hazards include wildlife in this forested area, as indicated by the presence of bear-proof garbage bins, and snow in the early or late season.
Active alertsNone listed.
Weather forecast
74
°F
Aug 25
Monday
Overcast
Precipitation: 0%
Moderate wind, may affect light items
Humidity: 35%
Comfortable humidity levels
Wind: 5.7 mph
Moderate wind, may affect light items
Overcast
7-Day Forecast
Access to 7-day forecasts tailored to each campground—covering temperature, precipitation, wind, and sky conditions.
Daily & Hourly Insights
View hourly forecasts with expected weather patterns throughout the day.
Temperature Trends
Visualize how temperatures shift over the month to help pick the most comfortable days for your trip.
Precipitation Trends
Plan around rain or snow with monthly visualizations of expected precipitation patterns.
Weather Summaries
Assess conditions with visuals for easier decision-making on when and where to camp.
Weather data powered by Open-Meteo
Emergency Services
Emergency services would likely be located in Alpine, which is 23 miles away, including medical facilities and law enforcement.
Good to know
Peak season datesMay 1 through Labor Day weekend.
Trash and recyclingBear-proof garbage bins are available.
Proximity to water featuresAdjacent to Greys River, offering potential for fishing and scenic enjoyment.
Common complaintsNone specifically mentioned, but being first-come, first-serve could result in availability issues during peak season.
HostIf a campground host is present, one site is reserved for their use, reducing available sites to nine.
Campground Map
Moose Flat Campground, Alpine, WY
Driving directionsFrom the Town of Alpine, Wyoming, head east on Greys River Road /Forest Service Road 10138 (FS-10138) and follow it for approximately 8 miles. Bear right at the junction staying on FS-10138 and follow it southeast for an additional 14 miles. Turn right into the entrance of Moose Flat Campground then take and stay straight to access Moose Flat Campground.
Greys River Road becomes Forest Rt. 10138, which is gravel after 0.8 miles. The road is accessible but unpaved.Nearby places
Town of Alpine (23 miles, 38 minutes)
Nearby supplies
The nearest supplies, including groceries and camping essentials, can likely be found in Alpine, WY, which is 23 miles away from the campground.
Camper Reviews
0.0
2 reviews
Moose Flat Campground has limited reviews, placing it in the bottom % of campgrounds based on reviews
User reviews highlight a small, quiet campground with clean facilities and basic amenities. "Beautiful! A very nice, small, first come first serve campground up the Greys River." - Jean Robinson
Review Summaries
Based on 2 reviews
What Campers Love
Clean vault toilets, well-maintained hand pump water system, bear-proof garbage bins, and scenic location next to Greys River.
Based on 2 reviewsCommon Concerns
No explicit complaints mentioned in the provided user reviews.
Based on 2 reviewsPro Tips & Recommendations
Arrive early as the campground operates on a first-come, first-serve basis.
Based on 2 reviewsSeasonal Insights
Reviews emphasize the campground's suitability during warmer months; no mention of winter usage.
Based on 2 reviewsCamper Quotes
"Great campground for tent or small camper use. Located next to the river. Restrooms, bear proof garbages, and a water pump available." - A.J. Haslam. "Beautiful! A very nice, small, first come first...
Based on 2 reviewsShow more
Site-Specific Reviews
No specific campsite reviews beyond the general description that nine sites are available unless a host is present.
Based on 2 reviewsAccessibility Features
Wheelchair-friendly toilets are available; no other accessibility features noted in reviews.
Based on 2 reviewsPet-Friendly Features
No explicit mention of pet policies or pet-related features.
Based on 2 reviewsLast updated August 10, 2025