Marion Mountain 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.
Marion Mountain 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 4.0/5 across 52 reviews.
Other campgrounds at San Bernardino National Forest include Fern Basin, Dark Canyon Campground , Boulder Basin and Black Mountain (san Bernardino).
Total reservations in May — 2023: 33 · 2024: 68 · 2025: 68
Address
Idyllwild, California
Coordinates
33.7917, -116.7319
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
San Bernardino National Forest
San Bernardino National Forest
Mt. San Jacinto SP
San Bernardino National Forest
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San Bernardino National Forest
Mt. San Jacinto SP
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