Openings · last 7 days
0
Availability is not tracked here yet
Campsite Sniper does not currently hold availability data for Boulder Basin. That is a gap in what Campsite Sniper tracks — it does not mean the facility is full, closed, or unavailable. Recreation.gov may well be showing open dates right now.
The site details and map below come from the public Recreation.gov record and are accurate. For current dates and to book, go to Recreation.gov.
01 · Detected Opening History · the openings record · file CS-232022
When Boulder Basin reopens
Boulder Basin's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
12
Openings · last 90 days
22
Only 22 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
About Boulder Basin
Overview
Black Mountain Road is is poor condition at this time. A four-wheel drive (4WD) vehicle is recommended with a minimum ground clearance of 6 inches. Drive at your own risk.
The San Bernardino National Forest is submitting a proposal to increase fees at various sites across the Forest and is seeking public input. Please visit the https://www.fs.usda.gov/sbnf for more information and to submit comments regarding this proposal.
Boulder Basin Campground offers solitude and primitive camping in a scenic mountain landscape. The area provides ample recreational opportunities, including hiking, mountain biking, boulder climbing and more. Black Mountain Road, which accesses Boulder Basin Campground, is a narrow rough dirt road which may not be suitable for all vehicles.
Recreation
The campground provides access to a number of trailheads, including the Black Mountain Trail, a 3.6-mile, moderately strenuous hiking, mountain biking and horseback riding trail that travels through the forested slopes of Black Mountain.
The trail provides excellent views of the Banning Pass and Mt. San Gorgonio. The trail provides access to the famed Pacific Crest National Scenic Trail, which begins at the Mexico border in Southern California and leads to Washington border of Canada.
Facilities
The campground offers multiple single-family campsites, available for tent and small RV / van camping. Each site is equipped with tables and campfire rings with grills. Vault toilets are also provided.
Natural Features
The campground is located in a mixed conifer forest, which provides ample shade throughout the day. It is situated at an elevation of about 7,300 feet. Roads to the campground are not paved but the campground does have paved roads.
Nearby Attractions
This group site is located approximately 50 miles southeast of San Bernardino, California, and 14 miles north of Idyllwild, where fuel and a variety of small town shops and restaurants are available.
16 monitored sitesRVs up to 20 ftNo hookupsPets OKMax party 8
Getting there
From Idyllwild, travel north for about 8 miles on State Route 243. Turn right onto Black Mountain Road/Forest Route 4S01 and continue about 5 miles to the campground. Black Mountain Road is an unpaved forest road, not recommended for low clearance vehicles or trailers.
Po Box 518, Idyllwild, CA 92549909-382-2922
BackpackingBikingCampingFishingHikingHorseback RidingMountain BikingPicnickingWildlife Viewing
View on Recreation.gov ↗ Get directions ↗
02 · Field Photos · roll CS-232022 · facility + sites
Photo gallery
Roll CS-232022 · Boulder Basin · Idyllwild CA12 frames · facility + sites
FAQ
How do I get a reservation at Boulder Basin?
Online reservations for this facility, where offered, are made through Recreation.gov. Campsite Sniper has also detected 22 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
Campsite Sniper does not currently hold availability data for Boulder Basin, so there is nothing to date here. That is a gap in coverage — it does not mean the facility is full or closed. Check Recreation.gov for current dates.
How often do new openings appear at Boulder Basin?
Campsite Sniper detected 22 site-date openings here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.
Which sites at Boulder Basin fit a 35-foot RV?
No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 20 ft. 7 of those 16 sites have a recorded maximum length and 9 do not; they are not counted as fitting.
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