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Mammoth Campground

Yellowstone National Park

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North Entrance Rd. Yellowstone National Park, WY 82190 307-344-7381 Official Website

GPS: 44.9736, -110.6934

  • Overview
  • Video
  • Q&A
  • Cell Service
  • Reviews (18)
  • Amenities

Overview of Mammoth Campground

Mammoth Campground is typically open year-round. It is reservable April - mid-Oct. Some sites can accommodate RVs and trailers with a combined max length of 40 ft. During winter, the total vehicle length limit is 30 ft.

Due to infrastructure damage sustained during flooding in June 2022 Mammoth Campground will remain closed until further notice.

Number of Sites 82

Pad Type gravel

Reservations yes

Elevation 6,036 ft / 1,839 m

Max Stay 14

Max Length 75 ft

Tent Camping Yes

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Featured Video by Bob

Q&A - Ask the Community about Mammoth Campground

To ask questions of the owner or manager please contact the campground directly. 307-344-7381

camper-806611 asked on 9/8/2023

Is there still open??

See 2 Answers

Jopo asked on 3/15/2023

Can you use a quite generator?

See 1 Answer

Reviews of Mammoth Campground 18 people have reviewed this location.

Ratings Summary

Overall Rating
Site Quality

Cell Phone Coverage

Verizon 4G
Confirmed by 8 Users
Last reported 10/3/2022
Confirmed by 2 Users
Last reported 9/26/2020

Contact us to update this listing.


  • dry camping
  • recreation trail
Site Amenities
  • big rig
  • fire ring
  • picnic table
  • pull thru
  • firewood
  • ADA Accessible
  • recycle
  • restrooms: flush
  • trash
  • water available
  • pets
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Sun Outdoors Yellowstone North

Friendly Staff, Close To North Entrance

- Michelle

Highway 89 Pull-Off

Free but by the highway

- camper-840169

Yellowstone RV Park

Great location and view!

- lstradtner

Eagle Creek Campground

Nice hosts, Some Sites Impossible To Level, Must Reserve

- camper-657901

Indian Creek Campground

Very Lovely Campground In Yellowstone!

- camper-780563

Sinclair RV Dump Station

Has a fee, but easy to fill

- camper-840169

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