Photo: NPS / Jacob W. Frank

Mammoth Campground

85 sites · $25 · Reservations · RVs OK

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Reservations$25 / night

Reserve a site ↗Booking and payment are handled by Recreation.gov.

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85Sites

85Reservable

$25Per night

YesRVs

Reservations

Sites are reservation-only from early April to mid-October and first-come, first-served from mid-October to late March on Recreation.gov. Individual campsites at this campground can be reserved up to six months in advance. Reservations open on a rolling basis, meaning you can book your site exactly six months before the date of your stay, as long as reservations are available for that time.

Fees

Nightly Fee Interagency Access and Senior Pass holders receive a 50% discount.	$25.00

Season & hours

Operating dates and number of available campsites after October 15,2027 are yet to be determined. Mammoth Campground is typically open year-round, though part of the campground is closed mid-October through April. Reservation-only 4/15-10/15. Checkout time is 10 am.

Amenities

Toilets · Flush Toilets - year round
Showers · none
Drinking water · year round
Trash / recycling · year round
Laundry · none
Camp store · none
Firewood for sale · seasonal
Ice for sale · none
Food storage lockers · year round
Dump station · none
Amphitheater · seasonal
Camp host · seasonal
Cell reception · year round
Internet · none

RVs, trailers & access

RVs	Allowed
Trailers	Allowed
RV notes	Campground sites that will accommodate a maximum combined length of 40 feet (12.2 m) or more are limited. Some will accommodate up to 75 feet total combined length. Most campsites in Yellowstone will not accommodate oversized units. Sites that accommodate RVs are either pull-through or back-in with limited width for slide-outs. Sites may not be level. During winter (mid-October through April), total vehicle length limit is 30 feet (9.1 m).
Roads	Paved Roads - All vehicles OK
Type	Developed Campground
Campfires	Wood and charcoal fires are permitted, though special fire restrictions are occasionally put in place when the danger of wildland fires is great. If you plan to light a fire in the park, please ask about current fire restrictions at the entrance station when you arrive or email our Visitor Services Office immediately prior to your visit. Propane grills and stoves are normally not restricted.
Wheelchair	Paths in the campground area are compacted gravel/dirt with some gradient change. In some cases, boardwalks have been constructed to provide easier access to facilities.
ADA	Five accessible campsites, accessible routes along paved roadway, ramp to amphitheater. Accessible shower facilities available in Gardiner, Montana.
Cell	There is a cell phone tower near Mammoth Hot Springs: check with your provider to verify coverage. The number of people in the busy summer months of July and August can overwhelm cellular circuits resulting in an inability to send or receive a call, text, or data.
Internet	No Wi-Fi at the campground. Free, public Wi-Fi is available at the Albright Visitor Center.
Also	From mid-October through April, the back loop of the campground is closed.

Getting there

GPS Coordinates N 44 58.4166 W 110.41.59392, Yellowstone National Park, WY 82190

Located at Mammoth Hot Springs, five miles south of the North Entrance.

Contact

(307) 344-7381 · YELL_Information@nps.gov

Other campgrounds in Yellowstone

About Mammoth

The only campground in the park open year-round, Mammoth Campground—elevation 6,200 feet (1890 m)—is located five miles south of the park's North Entrance. Scattered juniper and Douglas fir trees provide shade during hot summer months. The campground is close to fishing, hiking, and the Mammoth Hot Springs. Great wildlife viewing opportunities abound with elk and bison occasionally passing through the campground. The campground is run by the NPS.

Photos

Camping Sites — Camping sites at Mammoth Hot Springs Campground · NPS/Renkin

Tents pitched at the Mammoth Hot Springs Campground · NPS / Neal Herbert

Tent pitched at campground — Tent pitched at Mammoth Hot Springs Campground · NPS/Renkin

Pop-up camper in the Mammoth Hot Springs Campground — Mammoth Hot Springs Campground can accommodate tents, bikers, hikers, RVs and pop-ups. · NPS / Neal Herbert

Winter campsite at Mammoth Hto Springs — Mammoth Hot Springs Campground is the only campground in the park open year-round. · NPS / Neal Herbert

Road in campground — The Mammoth Hot Springs Campground is the only campground open year-round. · NPS/Renkin

Campsites

Site-by-site details (sizes, hookups, shade) for this campground are coming soon.

Conditions at camp

🌤️ Forecast

Wed, Nov 11

Tonight

33°F

Mostly Cloudy

Thu, Nov 12

Day

60°F

Partly Sunny

Thu, Nov 12

Night

34°F

Mostly Cloudy

Fri, Nov 13

Day

56°F

Partly Sunny

Fri, Nov 13

Night

35°F

Mostly Cloudy then Slight Chance Rain And Snow Showers

Sat, Nov 14

Day

51°F

Chance Rain And Snow Showers

Sat, Nov 14

Night

35°F

Chance Rain Showers then Mostly Cloudy

Sun, Nov 15

Day

45°F

Mostly Sunny

Source: National Weather Service (weather.gov)

🔥 Wildfires nearby

No active fire perimeters nearby. ✅

Source: National Interagency Fire Center (WFIGS)

🗓️ Typical weather

Yellowstone's weather can vary greatly within a day and throughout the park. Snow can fall every month of the year. Summer highs reach 70–80°F (25–30°C) during the day, but nights can be cool (and it may freeze at higher elevations). During spring and fall, daytime highs range from 30–60°F (0–20°C), with overnight lows below freezing. Winter temperatures range from 0—20°F (-20—-5°C) throughout the day, with sub-zero temperatures overnight.

Rules

Overnight camping or parking is only allowed in designated campgrounds or campsites. Campsite occupancy is limited to six people per site. Checkout time is 10 am. 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. Unless posted otherwise, wood and charcoal fires are permitted in all campgrounds except the Fishing Bridge RV Park. Propane grills and stoves are usually unaffected by fire restrictions. All odorous items that may attract bears, including food, cooking gear, toiletries, and garbage, must be kept secured when not in use. Bear-proof storage boxes are available at many campsites. Where permitted, generators may only be operated from 8 am to 8 pm (60 dB limit). Generators are not permitted at Indian Creek, Lewis Lake, Pebble Creek, Slough Creek, or Tower Fall.

Trails near camp

Campground information from the National Park Service. Confirm current status with the park before you go.