ItOpened Guides · Lassen Volcanic National Park
How to actually get a site at Summit Lake South — the verified facts, the release reality, and the cancellation route in.
Overview Summit Lake South Campground (elevation 6,700 ft. ) is conveniently located on the main road of Lassen Volcanic National Park. The campground is within walking distance of the small but scenic Summit Lake and eight miles from the 10,457-ft. Lassen Peak, the largest volcano in the park. Hikers will find one of the park's major trails only 1/4-mile away from the campground and many more within a close proximity. Summit Lake South is on the opposite side of the lake from Summit Lake North Campground.
| Total sites | 48 |
|---|---|
| Site types | Tent only, Standard |
| Site mix (directory count) | Tent only 32 · Standard 13 |
| Area | Lassen Volcanic National Park |
| Managed by | National Park Service |
| Nearest community | MINERAL, CA |
| Activities | Camping, Day Use Area, Fishing, Hiking, Historic & Cultural Site, Swimming Site, Visitor Center |
| Directory phone | 530 595-6121 |
| Official listing | Recreation.gov campground page |
| Book through | Recreation.gov |
Summit Lake South 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 Summit Lake South 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:
| Manzanita Lake | 180 sites · same area |
|---|---|
| Butte Lake | 81 sites · same area |
| Summit Lake North | 46 sites · same area |
| Southwest Campground | 36 sites · same area |
| Manzanita Lake Camping Cabins (CA) | 22 sites · same area |
Full directory facts and sibling campgrounds: Summit Lake South campground page · Lassen Volcanic National Park park page.
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.