Marion Mountain
San Bernardino National Forest
Marion Mountain in California has 8 open booking windows on Recreation.gov right now, the soonest Sun Oct 18–Wed Oct 21. Reserve directly through the booking link above — cancellations go fast. To catch future openings the instant they appear, set a free CampSage cancellation alert.
⚡ EV charging nearby
Nearest DC fast charging: 9.9 mi away (straight line).
Distances are straight-line, not driving — the road can be much longer where a river, a lake or a canyon sits in between. From OpenStreetMap — community-mapped, so plug types can lag reality. Verify on your charging network’s app before counting on a charger.
🔭 Planning further ahead?
We watch the next 60 days closely — that's where cancellations show up. recreation.gov takes bookings out to about April 2027, so there may be 2+ night stays past our window.
📊 How often sites open up here
CampSage's scans caught 26 openings at Marion Mountain over the last 30 days, on 18 separate days, most of them for stays 4–24 days out and the openings typically covered 2–3 nights.
These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.
🏕️ About this campground
Ratings
📶 Cell coverage camper-reported
💡 Insider tips from campers
❓ Marion Mountain FAQ
How do I reserve a campsite at Marion Mountain?
Marion Mountain in California takes campsite reservations through Recreation.gov. On this page, use the “Book / check availability” button to open the live booking page, see which dates are free, and reserve your site.
How much does it cost to camp at Marion Mountain?
Campsite fees at Marion Mountain run about $20–$33.97/night, as listed by Recreation.gov. Exact rates vary by site type, number of campers, and season.
How can I get a spot at Marion Mountain when it's fully booked?
Popular campgrounds like Marion Mountain often fill months ahead, but campers cancel every day and those sites reopen for booking. CampSage checks availability for you and sends a free email the instant a cancellation opens — set an alert on this page and you can grab the spot before anyone else.
How often do campsites open up at Marion Mountain?
CampSage's scans caught 26 openings at Marion Mountain over the last 30 days, on 18 separate days, most of them for stays 4–24 days out and the openings typically covered 2–3 nights. These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.
Is Marion Mountain a good campground?
Marion Mountain holds an average rating of 4.0/5 from 74 camper ratings on Recreation.gov. The full star breakdown is shown above.
Is there cell service at Marion Mountain?
Of the carriers campers have reported on at Marion Mountain, Verizon rates highest at 1.5 out of 5 from 24 reports. See the carrier-by-carrier breakdown above — service can still vary by campsite, terrain, and weather.
Where is Marion Mountain located?
Marion Mountain is located in Idyllwild / San Jacinto, California. Tap “Directions” above for driving directions, or see nearby campgrounds lower on this page.
📡 Follow these cancellations
Subscribe in your calendar or RSS reader to get openings here automatically.
Running a camping/RV blog? Embed this widget free →
A live cancellation widget for Marion Mountain that updates itself — free, no account, no API key. The snippet includes a one-line credit under the widget; leaving it in is what keeps this free for everyone, and it tells your readers what they are looking at. Preview it.