ReserveCalifornia

When do reservations open at Idyllwild Campground, Mt. San Jacinto State Park?

Booking window

6 months ahead

Releases

Daily, 8:00 AM PT

Open now

Through Mar 2, 2027

Reservations open 6 months ahead on a daily rolling basis, at 8:00 AM PT. Arrivals through Mar 2, 2027 are open now.

Mar 2, 2027 is the last night of this season.

Season dates not published · Last checked Oct 27, 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

Minimum stay

• Some dates here may require more than one night. Pick an arrival date to see what we know for it.

Month by month

New to YonderMark?

• Free alerts for up to 3 campgrounds
• An email when a site opens up for your dates

Set a free alert

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.

• Idyllwild Campground: availability and alerts
• Mt. San Jacinto State Park: every campground