California · Campground directory
The official directory lists 6 reservable campgrounds with Mammoth Lakes as their location. When they sell out, cancellations return to the official calendar unannounced — we watch around the clock and text you the second a matching site opens.
| Campground | Park / area | Sites |
|---|---|---|
| Oh Ridge | Inyo National Forest | 143 sites |
| Sherwin Creek | Inyo National Forest | 85 sites |
| Silver Lake Campground June Lake (CA) | Inyo National Forest | 63 sites |
| Old Shady Rest Campground | Inyo National Forest | 45 sites |
| Agnew Horse Camp | Inyo National Forest | 14 sites |
| Agnew Meadows Group Camp | Inyo National Forest | 4 sites |
Listings use the city recorded for each campground in the official Recreation Information Database (RIDB) — a campground listed here is in or near Mammoth Lakes, which is why this page says "in or near."
Pick a campground above and set a free watch on it. We scan the official Recreation.gov calendar around the clock; the second a site matching your dates and equipment opens, you get a text with a direct link to that exact site. You book it yourself, in your own account, at the normal price. We never book, hold, or resell anything — monitoring is all we do, and it's what your fee pays for.
Page data refreshed 2026-10-29. Campground facts come from the official directory listings; cancellation statistics come from our own scanning logs.