itOpened Guides · Inyo National Forest
How to actually get a site at Oh Ridge — the verified facts, the release reality, and the cancellation route in.
Watch it with itOpened
Proof, from our own scanners: 673 confirmed openings across 34 campgrounds since Oct 29, 2026 — each one re-verified before logging. See the live cancellation index.
Watch Oh RidgeFree to start. We never book, hold, or resell — you book it yourself, in your own account, at the normal price. Fees pay for monitoring; openings are first-come and cannot be guaranteed.
Overview The outstanding lake and mountain views at Oh Ridge Campground make it a favorite spot for both families and anglers. It sits in the eastern Sierra Nevada Mountains in close proximity to the Ansel Adams Wilderness, Yosemite National Park and Mono Lake. The nearby town of June Lake offers the convenience of shopping and dining, while the surrounding land and lakes provide ample outdoor recreation opportunities. Recreation Oh Ridge campers have no problem staying busy and enjoying the outdoors. Within the facility, they can swim in the lake's clear waters, fish for rainbow and Alpers trout, go canoeing and boating or walk to the Oh Ridge viewpoint, after which the campground was named. Numerous trails lie minutes away, an obvious draw for hikers, mountain bikers and off-road vehicle enthusiasts.
| Total sites | 143 |
|---|---|
| Site types | Standard, Tent only |
| Site mix (directory count) | Standard 133 · Tent only 5 |
| Area | Inyo National Forest |
| Managed by | USDA Forest Service |
| Nearest community | MAMMOTH LAKES, CA |
| Activities | Boating, Camping, Day Use Area, Fishing, Hiking, Interpretive Programs, Swimming Site |
| Directory phone | 760-648-7744 |
| Official listing | Recreation.gov campground page |
| Book through | Recreation.gov |
Oh Ridge is reserved through Recreation.gov, on the release pattern stated in its official listing. In demand, reservable sites are claimed within minutes of each release — which is why the campground reads as sold out for most of the year, and why the realistic route in is rarely the release itself.
Sites booked months ahead get cancelled as trips fall through, and each cancellation returns its nights to the official calendar instantly — first-come, no waitlist, no announcement. itOpened scans the Recreation.gov calendar for Oh Ridge around the clock; when a site matching your dates and vehicle opens, you get a text with a direct link, and you book it yourself, in your own account, at the normal price. We never book, hold, or resell. The mechanics are the same ones documented in how campsite cancellations actually work.
Watch more than one calendar. These nearby or same-area campgrounds take the same trip — and their cancellations are independent chances:
| East Fork Campground – Inyo National Forest (CA) | 134 sites · same area |
|---|---|
| Four Jeffrey | 106 sites · same area |
| New Shady Rest Campground | 94 sites · same area |
| Twin Lakes Campground | 94 sites · same area |
| Sherwin Creek | 85 sites · same area |
Full directory facts and sibling campgrounds: Oh Ridge campground page · Inyo National Forest park page.
Watch it with itOpened
Proof, from our own scanners: 673 confirmed openings across 34 campgrounds since Oct 29, 2026 — each one re-verified before logging. See the live cancellation index.
Watch Oh RidgeFree to start. We never book, hold, or resell — you book it yourself, in your own account, at the normal price. Fees pay for monitoring; openings are first-come and cannot be guaranteed.
Every figure in this article traces to one of the sources above. If a number isn't sourced, we don't print it.
Last updated 2026-10-30.