Basecamp Planner › Recreation.gov › Mount Rainier
When can I book Cougar Rock?
Cougar Rock Campground · WA · Recreation.gov
A guide, not a guarantee: confirm on the official reservation site before you plan around it.
For your trip
Next release: Mon, Dec. 7, 2026 at 7 a.m. Pacific, for arrivals through June 7, 2027; after that, a 6-month rolling window.
How booking works here
Recreation.gov: Each campground sets its own booking window. We copy it from the campground’s Seasons & Fees tab.
“Booking windows are determined by each individual facility.”
Source: Recreation.gov FAQ · checked Nov. 5, 2026Posted on Recreation.gov for this campground
Booking window
6-month rolling
Next release
Mon, Dec. 7, 2026 at 7 a.m. Pacific, for arrivals through June 7, 2027
Season
May 28, 2027 – Oct. 12, 2027
Reservable
June 22, 2027 – Sept. 13, 2027
First-come, first-served May 28 – June 21 and Sept. 14 – Oct. 12, 2027.
“Individual sites at this campground operate on a 6-month rolling basis. On Dec 07, 2026 at 07:00 AM PST, availability will be released through Jun 07, 2027.”
Source: Recreation.gov: Cougar Rock, Seasons & Fees · checked Nov. 5, 2026Good to know
- Some sites also release 1 day and 7 days ahead (short-term release), per the Seasons & Fees tab.
Phone reservations: 1-877-444-6777. Something here look wrong or out of date? Tell us.