Details
GPS Coordinates N 44 58.4166 W 110.41.59392, Yellowstone National Park, WY, 82190
National Park ServiceLast Updated: November 26, 2025
Table Of Contents
Campground Overview
Introduction
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.
Campsite Details
Operating Hours
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.
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.
Amenities
Trash & Recycling Collection
Toilets
Cell Phone Reception
Amphitheater
Staff or Host On-Site
Potable Water
Firewood For Sale
Food Storage Lockers
Directions
Located at Mammoth Hot Springs, five miles south of the North Entrance.
Rates & Fees
Nightly Fee
Interagency Access and Senior Pass holders receive a 50% discount.
Rules & Regulations
Fire/Stove Policy
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.Regulations Overview
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.Accessibility
Wheelchair Access
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.
Internet Information
No Wi-Fi at the campground. Free, public Wi-Fi is available at the Albright Visitor Center.
Cell Phone Information
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.
RV Allowed
Yes
RV Information
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).
RV Maximum Length
0
Additional Information
From mid-October through April, the back loop of the campground is closed.
Trailer Maximum Length
0
ADA Information
Five accessible campsites, accessible routes along paved roadway, ramp to amphitheater. Accessible shower facilities available in Gardiner, Montana.
Trailer Allowed
Yes
Access Roads
Paved Roads - All vehicles OK
Classifications
Developed Campground
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