Loop A
Mammoth Campground (Yellowstone) · Yellowstone National Park
- Standard
- Other loops
Loop A · standard site
Site Mammoth site #55
“Three vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles. Picnic table and fire ring on passenger side of vehicle”
recreation.gov's note for this site
- Longest rig
- 33 ft
- People
- Up to 6
- Vehicles
- 3 allowed
- Pets
- Allowed
- Check-in
- 10:00 AM
- Check-out 10:00 AM
From recreation.gov's site list, Oct 10, 2026.
Sites
38
Standard
38
tent, RV or van
Longest rig
33 ft
at Mammoth site #55 · 1 standard site takes 33 ft
People
Up to 6
Sites in Loop A
Pick a site, here or on the map, to see its details.
- Mammoth site #20Standard · up to 6 peopleThree vehicle limit - all automobiles, trailer types, motorcycles and UTVs are defined as vehicles.
- Mammoth site #21Standard · up to 6 peopleThree vehicle limit - all automobiles, trailer types, motorcycles and UTVs are defined as vehicles.
- Mammoth site #22Standard · up to 6 peopleThree vehicle limit - all automobiles, trailer types, motorcycles and UTVs are defined as vehicles.
- Mammoth site #23Standard · up to 6 peopleThree vehicle limit - all automobiles, trailer types, motorcycles and UTVs are defined as vehicles.
- Mammoth site #24Standard · up to 6 peopleMorning shade Three vehicle limit - all automobiles, trailer types, motorcycles and UTVs are defined as vehicles.
- Mammoth site #25Standard · up to 6 peopleAfternoon shade Three vehicle limit - all automobiles, trailer types, motorcycles and UTVs are defined as vehicles.
- Mammoth site #54Standard · up to 6 peopleThree vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles.
- Mammoth site #55Standard · accessible · up to 6 peopleThree vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles.33 ft
- Mammoth site #57Standard · up to 6 peopleAfternoon shade Three vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles.
- Mammoth site #58Standard · up to 6 peopleAfternoon shade Three vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles.
- Mammoth site #59Standard · up to 6 peopleAfternoon shade Three vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles.
- Mammoth site #60Standard · up to 6 peopleAfternoon shade Three vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles.
Showing Mammoth site #20–Mammoth site #60 of 38 · by site number
Sites, types, rig lengths, positions and notes from recreation.gov's site list, Oct 10, 2026. Staff sites are left out.
- Standard
Loop A · standard site
Site Mammoth site #55
“Three vehicle limit - all trailer types, automobiles, motorcycles and UTVs are defined as vehicles. Picnic table and fire ring on passenger side of vehicle”
recreation.gov's note for this site
- Longest rig
- 33 ft
- People
- Up to 6
- Vehicles
- 3 allowed
- Pets
- Allowed
- Check-in
- 10:00 AM
- Check-out 10:00 AM
From recreation.gov's site list, Oct 10, 2026.