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Everything you need to know about camping at Mammoth Campground — Yellowstone National Park. Updated for 2026.
Mammoth Campground — Yellowstone National Park is a federal campground booked on recreation.gov, where the current nightly fee is shown at checkout. It has Standard (no hookups), Tent only sites.
Mammoth Campground — Yellowstone National Park is booked through recreation.gov, typically up to 6 months in advance. Popular weekends fill quickly, so reserve the moment the window opens, and set a Camp.land alert to catch cancellations if your dates are already full.
Mammoth Campground — Yellowstone National Park has 81 total sites. 64 Standard (no hookups) sites in the A-B loop, 17 Tent only sites in the Tent loop.
It depends on what you're looking for. For Families: Loop A sites put you closest to the campground entrance and the walk to the terraces. For Tents: 17 sites in the tent loop keep you away from generators and big rigs. For RVs: 64 standard nonelectric sites across loops A and B; no hookups anywhere in the campground.
Essentials: tent or RV (depending on site type), sleeping bags, cooler with ice, firewood (can't collect wood in most Texas parks), sunscreen, bug spray, water bottles, and headlamps. Some cell phone reception is available here, a rarity inside the park
Summer books out first, but Mammoth's mid-April opening makes it the shoulder-season pick when the rest of the park's campgrounds are still closed.
Camp.land watches Mammoth Campground — Yellowstone National Park on recreation.gov around the clock and emails you the moment a cancellation opens up. People cancel all the time — especially midweek. You can also try walk-up sites on the day of arrival, but availability isn't guaranteed.
Mammoth Campground — Yellowstone National Park doesn't have traditional cabins, but offers Standard (no hookups), Tent only camping options.
Yes. Standard (no hookups) (A-B): max 64 sites, No hookups · tents and rigs. Check equipment length limits for your specific RV.
Set an alert and we’ll email you the moment a cancellation opens on recreation.gov. We watch it around the clock.
Set Alert for Mammoth Campground — Yellowstone National Park →