Recreation.gov

When do reservations open at Cougar Rock Campground, Mount Rainier National Park?

Booking window

1 day to 6 months ahead

Releases

Daily

Sites here open in three waves: 64 sites 7 days ahead, released daily; 46 sites 1 day ahead, released daily; and the rest 6 months ahead, released daily at 7:00 AM PT.

Sites with a shorter window are released only that close to arrival, at a time the provider does not publish, so they show no availability before then: that does not mean they are sold out.

Closed for 2026. Typically reopens in May-September · Last checked Sep 30, 2026

Different rules for different sites

• 64 sites: 7 days ahead
• 46 sites: 1 day ahead
• All other sites: 6 months ahead

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We don't book for you, and we're not affiliated with any agency.

Release rules come from the provider and can change. YonderMark rechecks them.

• Cougar Rock Campground: availability and alerts
• Mount Rainier National Park: every campground