WY · MT · ID · Rocky Mountains · 2026 exact answer
Yellowstone campground reservations at Yellowstone: what applies in 2026?
Direct answer
Yellowstone campground reservations — two separate booking systems, six months ahead
Exact conditions
- Status
- Not required; the stated access rule still applies
- Applies to
- overnight guests
- Place or corridor
- Twelve campgrounds park-wide, split between Yellowstone National Park Lodges and Recreation.gov
- Effective dates
- January 1, 2026 through December 31, 2026
- Published fee
- $20
- Release model
- rolling window
Release detail: "Reservations open on a rolling basis, meaning you can book your site exactly six months before the date of your stay, as long as reservations are available for that time." The NPS page does not publish a clock time for the daily release.
Fee detail: Nightly rates range from $20 (Indian Creek, Lewis Lake, Slough Creek, Tower Fall) to $94+tax (Fishing Bridge RV Park). Separate from the $35 entrance fee.
Exceptions and limits
- Mammoth Campground is open year-round and offers "first-come, first-served sites from October 15 - April 1".
- Pebble Creek is closed for flood recovery.
- Yellowstone National Park Lodges campgrounds: Bridge Bay ($38+tax, 5/15-9/13), Canyon ($45+tax, 5/29-9/19), Fishing Bridge RV Park ($94+tax, 5/8-10/17), Grant Village ($45+tax, 6/26-9/26), Madison ($38+tax, 5/1-10/17).
- Recreation.gov campgrounds: Indian Creek ($20, 6/12-9/14), Lewis Lake ($20, 6/15-10/11), Mammoth ($25, year-round), Slough Creek ($20, 6/15-10/12), Tower Fall ($20, 5/22-9/27).
Official source
National Park Service · reviewed August 27, 2026
"Reservations open on a rolling basis, meaning you can book your site exactly six months before the date of your stay, as long as reservations are available for that time." Mammoth offers "first-come, first-served sites from October 15 - April 1".
Campgrounds - Yellowstone National Park