Mammoth Campground (Yellowstone)
Mammoth Campground (Yellowstone) is a 81-site campground in Yellowstone National Park near Yellowstone, Wyoming. There are no electric hookups, so plan to bring your own power.
- Location
- Yellowstone, WY · Map and directions
- Campsites
- 81
- Electric
- There are no electric hookups
- Water / sewer
- No water hookups listed
- Max RV length
- 33 ft
- Pets
- Allowed at most sites (leash required)
- Campfires
- Allowed in fire rings, subject to fire restrictions
- Reservations
- Recreation.gov
- Phone
- (307) 344-2107
About Mammoth Campground (Yellowstone)
Starting Tuesday April 15th, the Mammoth Campground is open and reservations are required.
Description: Recreation.gov. Conditions change, so check the official page before you go.
What to bring to Mammoth Campground (Yellowstone)
Portable power stations
Silent battery power for lights, phones, fans, CPAP machines and 12V fridges.
See options on Amazon ↗Foldable solar panels
Recharge a power station during the day, so it lasts the whole trip.
See options on Amazon ↗Quiet inverter generators
More power for RVs and air conditioning. Check the campground's generator hours.
See options on Amazon ↗Links go to Amazon. As an Amazon Associate we earn from qualifying purchases.
Other campgrounds nearby
More: all campgrounds in Yellowstone National Park · campgrounds in Wyoming
Frequently asked questions
Does Mammoth Campground (Yellowstone) have electric hookups?
There are no electric hookups. Campers bring portable power stations or generators where allowed.
Can I reserve a site at Mammoth Campground (Yellowstone)?
Yes, through Recreation.gov. Popular dates book up months ahead.
How big an RV fits at Mammoth Campground (Yellowstone)?
The longest site takes vehicles up to 33 feet. Many sites are shorter, so check the individual site before booking.
Are dogs allowed at Mammoth Campground (Yellowstone)?
Yes, pets are allowed at most sites. Keep them on a leash and never leave them unattended.