Boulder Basin
Sold out? Sites at Boulder Basin open up when campers cancel.
Campsite Tonight watches Recreation.gov 24/7 and adds an open site to your cart automatically — you just check out.
At a Glance
About Boulder Basin
Boulder Basin is a national park campground at San Bernardino National Forest in Riverside County, California. Reservations are managed through Recreation.gov. Campsite Tonight watches San Bernardino National Forest around the clock and automatically adds an open site to your Recreation.gov cart the moment a cancellation appears — so you just check out.
Boulder Basin is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 20 ft. Campers rate it 4.3/5 across 26 reviews.
Other campgrounds at San Bernardino National Forest include Black Mountain (san Bernardino), Dark Canyon Campground , Marion Mountain and Fern Basin.
Total reservations in May — 2023: 24 · 2024: 56 · 2025: 44
Location
Address
Idyllwild, California
Coordinates
33.8264, -116.7539
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
- •July sees 157 reservations - book early or set cancellation alerts.
Nearby Campgrounds
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Black Mountain (san Bernardino)
San Bernardino National Forest
Dark Canyon Campground
San Bernardino National Forest
Marion Mountain
San Bernardino National Forest
Fern Basin
San Bernardino National Forest
Stone Creek Campground
Mt. San Jacinto SP
Idyllwild Campground
Mt. San Jacinto SP
Photos
Boulder Basin FAQ
How far in advance should I book Boulder Basin?
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open. Mark your calendar for when the booking window opens (typically 5-6 months ahead). Also set alerts - cancellations do happen.
What is the busiest time at Boulder Basin?
July typically sees the highest reservation activity at Boulder Basin. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Boulder Basin right now?
Yes! There are currently 118 site-nights available over the next 14 days at Boulder Basin, with availability on 10 different dates. Availability changes frequently due to cancellations - download the Campsite Tonight app to get instant alerts when new sites open up.
How often is availability checked at Boulder Basin?
Campsite Tonight monitors Boulder Basin for cancellations and new availability as fast as every 23 sec. When a site opens up, users with alerts enabled receive instant notifications so they can book before others.
Where is Boulder Basin located?
Boulder Basin is located in San Bernardino National Forest, near Idyllwild, California.
Track Availability at Boulder Basin
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