Mammoth Campground

Mammoth Campground is the only campground open year-round in Yellowstone National Park. Located near the north entrance of the park this campground has 85 sites.

The campground is close to Mammoth Hot Springs terraces, the Roosevelt Gate, and easy access to the park's loop road.

You have a high probability of seeing elk and bison while camping here. Ranger programs are offered in the amphitheaters frequently especially during the summer.

The campground is a high sagebrush steppe filled with scattered juniper trees and Douglas fir trees. The trees provide some shade but you will want a shade cover or hat.

Each campsite has plenty of room to truly enjoy a Yellowstone Camping trip.

Season: Mammoth Campground is open year-round.

Number of Sites: 85

Location in the park: five miles south of Gardiner, Montana and the park's North Entrance.

Campsite cost: $20.00

Rates do not include taxes or utility fees and are subject to change.

Interagency Access and Senior Pass holders receive a 50% discount.

Hiker/bicyclist Nightly Fee - $5.00

Payments accepted: cash/check

Reservations: No, All sites are first-come, first-served campground

Campground Address:

Latitude/Longitude: N 44 58.4166 W 110.41.59392

Elevation: 6,200 feet (1890 m)

Accessible Sites: Five accessible campsites, accessible routes along a paved roadway, ramp to the amphitheater.

Pets Allowed: Yes, You will want to be aware of the park pet policy

Check out our Yellowstone Camping Guide to learn more about each of the campgrounds in the park.

Mammoth Campground Reservations

Are campground Reservations Available? No, All sites are first-come, first-served.

Mammoth Campground Amenities

There is not a ton of shade in this campground. You may want to bring a cover or make sure you at least have a hat packed with you.

Flush Toilets: Yes

Showers: no, The closest showers are in Gardiner, Montana at the North Entrance Washtub Laundromat.

Payphone: yes

Is wifi available? Wi-Fi is available at the Albright Visitor Center (free)

Mammoth Hot Springs Hotel & Cabins (fee charged).

Is cellular Phone Service Available? There is a cell phone tower near Mammoth Hot Springs: check with your provider to verify coverage.

Is camp host available on site? Yes

Is firewood available for purchase? yes

Amenities at each campsite:

Firepit in the site? Yes

Picnic Table in the site? Yes

Bear Box in site/area? Yes, Bear boxes are available for most tent sites.

Potable Water? Yes

Site 6

RV Camping at Mammoth Campground

RV Length: Campground sites that will accommodate a maximum combined length of 40 feet (12.2 m) or more are limited.

Sites that accommodate RVs are either pull-through or back-in with limited width for slide-outs. Sites may not be level.

During winter (November through April), the total vehicle length limit is 30 feet (9.1 m).

Dump Station: No

Generators: No

Hookups: No

How to get to Mammoth Campground

Located on the road between the South Entrance and West Thumb.

Important Dates for Campground

Mammoth Hot Springs Campground is the only Yellowstone campground that is open year-round.

Mammoth Campground Regulations

The maximum number of people in a campsite: Maximum 6 persons per site

The number of cars per campsite: Tent sites allow for up to two tents and two vehicles. RV sites allow for one RV (tow included) only. (For reference, 2 motorcycles = 1 vehicle)

Check-in Time: check-in any time of day that there is an unoccupied site.

Checkout time: 10 AM.

Quiet Hours: Quiet hours are from 10:00 p.m. to 7:00 a.m.

Maximum Stay: Camping is limited to 14 days from July 1 through Labor Day, and 30 days for the rest of the year. There is no stay limit at the Fishing Bridge RV Park.