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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).
Open the official action page

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