Recreation.gov

When do reservations open at Diamond Butte Lookout, Custer Gallatin National Forest?

Booking window

6 months ahead

Releases

Daily, 7:00 AM PT

Open now

Through Apr 27, 2027

Reservations open 6 months ahead on a daily rolling basis, at 7:00 AM PT. Arrivals through Apr 27, 2027 are open now, and Apr 28, 2027 opens on Oct 28, 2026.

Open Seasons: Jan 1 - Apr 30, 2026, Sep 15 - Dec 31, 2026 · Last checked Oct 10, 2026

Popular weekends

• Thanksgiving weekend 2026 (Arrive Wed, Nov 25 · 4 nights): Open now Watch for cancellations
• MLK Day weekend 2027 (Arrive Fri, Jan 15 · 3 nights): Open now Watch for cancellations
• Presidents' Day weekend 2027 (Arrive Fri, Feb 12 · 3 nights): Open now Watch for cancellations
• Opening weekend 2027 (Arrive Fri, Sep 17 · 2 nights): Opens Mar 17, 2027, 7:00 AM PDT Remind me
• Columbus Day / Indigenous Peoples' Day weekend 2027 (Arrive Fri, Oct 8 · 3 nights): Opens Apr 8, 2027, 7:00 AM PDT Remind me

Month by month

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• Diamond Butte Lookout: availability and alerts
• Custer Gallatin National Forest: every campground