Featured amenities
Pet Friendly
About Mammoth Campground (Yellowstone)
Number of accommodations: 81
Nearby Activities & Attractions
Fishing
Seasonal information
2026 Season availability
Campground Amenities
Most popular amenities
Pet friendly
Pets and Policies
- Pet friendly
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Rates, Sites & Availability
81 Sites Available
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Site Details
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81 Sites Available
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Reviews (560)
What Guests Are Saying
Mammoth Campground is praised for its beautiful scenery, convenient location near Lamar Valley, and friendly hosts who maintain a clean environment. Many campers enjoyed the spacious and accessible sites, as well as the wildlife sightings, particularly elk and bison. However, some visitors noted that only one bathroom was open during their stay, leading to inconvenience, and there were occasional issues with campsite reservations. Overall, it's considered a great spot for exploring Yellowstone, especially in the off-season.
What Guests Are Saying
Mammoth Campground is praised for its beautiful scenery, convenient location near Lamar Valley, and friendly hosts who maintain a clean environment. Many campers enjoyed the spacious and accessible sites, as well as the wildlife sightings, particularly elk and bison. However, some visitors noted that only one bathroom was open during their stay, leading to inconvenience, and there were occasional issues with campsite reservations. Overall, it's considered a great spot for exploring Yellowstone, especially in the off-season.
Review Summary
Jessica R
VerifiedJuly 20, 2025 • Stayed at: Mammoth site #42, Loop: B
The park was terrific. We loved being able to camp there, and think it’s super important to have these public lands and parks! They should be well funded, supported, and open to all.
Nichole T
VerifiedJuly 20, 2025 • Stayed at: Mammoth site #39, Loop: B
Beautiful views, friendly staff.
Blake B
VerifiedJuly 20, 2025 • Stayed at: Mammoth site #15, Loop: A
Campground was clean and easily accessible. Restrooms were clean and in working order.
Alicia B
VerifiedJuly 20, 2025 • Stayed at: Mammoth site #13, Loop: A
Loved it!
Steven N
VerifiedJuly 19, 2025 • Stayed at: Mammoth site #30, Loop: B
Mammoth is the "desert north" part of the park, a very different experience. BUT the campground captured that unique landscape in stunning vista and nice short hiking trails, perfect for our family's final night in the area. Plenty of elk, no wolves or bears.
Brian K
VerifiedJuly 19, 2025 • Stayed at: Mammoth site #34, Loop: B
Great campground. A bit windy but we loved this campground for our trip to Yellowstone. Our site was pretty close to the bathrooms and had a nice view.
Joshua O
VerifiedJuly 19, 2025 • Stayed at: Mammoth site #18, Loop: A
Tent camping was great, very clean. We did not get to shower in the park but there are showers nearby in the town of Gardiner *bring quarters*. I believe it was $5 for 10 minutes, you can also rent a towel and do laundry.
Courtney P
VerifiedJuly 19, 2025 • Stayed at: Mammoth site #43, Loop: B
Was there in July and it was HOT as there was minimal shade at the site. It was a little noisy early in the morning when you could hear trucks engine braking on the hill above the campground so would recommend bringing ear plugs if in a tent! Hot showers are available for $5 at the hotel up the hill. Overall, it is a good location and we explored Mammoth area, Lamar Valley, and down into the Norris Geyser Basin while staying at this campground.
Dean G
VerifiedJuly 17, 2025 • Stayed at: Mammoth site #49, Loop: B
The campground is in a beautiful location and is well kept. The hosts were friendly and helpful.
Jana J
VerifiedJuly 17, 2025 • Stayed at: Mammoth site #44, Loop: B
Great campground!
Location Mammoth Campground (Yellowstone)
Address:
Yellowstone National Park
Yellowstone, WY, 82190
United States
Latitude & Longitude: 44.9736 / -110.693
Elevation: 1842 feet
Policies & Rules
General
- Mammoth Campground is managed by the park. If you are looking for campgrounds managed by Yellowstone National Park Lodges (Fishing Bridge RV Park, Bridge Bay, Canyon, Madison, and Grant Village campgrounds), please visit the Yellowstone National Park Lodges Camping website.
- RV or Camper Unit Delivery Prohibited. The delivery or pick-up of out-of-park RVs or other camper unit rentals is prohibited.
- Notify the Campground of Late Arrivals. To notify campground of late arrival or cancellation please call 307-344-2289
- Parking. All wheeled vehicles including trailers and motorcycles must be parked on parking pads or established roadways, so as not to block or restrict traffic in campgrounds.
- Camping Occupancy Limits. Maximum occupancy is six people per site. Camp only in designated sites. Camping is limited to 14 days from July 1 through Labor Day and to 30 days the rest of the year parkwide. The 44 day camping limit includes both concession- and park-operated campgrounds.
- Wildlife/Bear Regulations. ~Keep all food and related items - beverages, cooking utensils, stoves, pet food and, empty or full, food and beverage containers such as coolers, ice chests, and water jugs - locked inside your vehicle or stored in a food storage box, unless in immediate use. Bear resistant food containers must be kept in a vehicle, in a hard-sided camping unit, or in a food storage box. ~All trash and garbage must be disposed of in the provided bear-proof trash cans. Do not leave food related trash or garbage unattended. ~Washing dishes or clothing at campground hydrants or spigots is prohibited. Carry all dishwater/wastewater to the restroom toilet for disposal.
- Campfires and Firewood. Wood and charcoal fires are permitted. Campfires are permitted only in established fire grates. Fires must be attended at all times. Only dead, down, and detached wood may be gathered. Wood should not extend outside the fire grate perimeter. Do not break limbs off of standing trees, living or dead. Drown campfires thoroughly with water to make sure they are completely out. NOTE: Wood and charcoal fires may be subject to special restrictions due to fire danger. Restrictions will be listed on campground information boards and on the park's Current Conditions page. Propane grills and stoves are not usually affected by fire restrictions.
- Quiet hours are strictly enforced. No loud audio devices or other noise disturbances will be allowed during this time. Generators are prohibited between the hours of 8:00 p.m. and 8:00 a.m. Generators must be turned off durng the day when campsite is not occupied by site renter.
- Stay on Boardwalks and Trails. All travel in thermal areas is restricted to NPS designated trails and boardwalks.
- Fishing. To fish within the park, people 16 years of age and older are required to purchase and carry on their person a Yellowstone National Park Fishing Permit (you may purchase in advance). To learn more about fishing regulations, visit the park's Catch a Fish web page.
- 30 ft RV limit. From November through April.
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Last updated: June 4, 2026
