8
Pull-thru
NPSLassen Volcanic National Park · California
Summit Lake South
Overview Summit Lake South Campground (elevation 6,700 ft.) is conveniently located on the main road of Lassen Volcanic National Park.
Sites4845 reservable
Elev.6,716ft
Comf.Jun-Oct5 months
Max rig59 ft8 pull-thru
Electricnonesites
From Sacramento3h49real road time
The honest read
Synthesized from
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
At 6,716 ft, Summit Lake South has a 5-month comfortable window (Jun-Oct). Winter nights average around 23°F, so the shoulder seasons turn cold fast. 48 sites total: 45 reservable and 3 first-come, first-served. Of the sites, 8 pull-through, and the longest takes a 59-ft rig. Within about 4 miles: 15 named hiking routes, 5 peaks, lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on shade and reservability. Softest on roomy sites.
Six axes, each scored relative to every other federal campground in the region: quiet (miles to a major road), cool (elevation), roomy (average site spacing), shade, RV-fit (longest rig), and how reservable it is. All six come from data, nothing hand-tuned.
When to go
02 · CLIMATE
avg highavg lowfrost-freedriest · Jul
Jun-Oct
Comfortable window: nights stay above 35°F, days below 90°F.
89%
Of summer weekend-days are dry.
Jun 17
Last spring frost; first fall frost Oct 4.
53°F
Average July low. Bring a fleece.
Getting there
03 · ACCESS
01
Sacramento
172 mi
3h49
02
San Francisco
254 mi
5h39
03
Fresno
356 mi
7h55
04
Los Angeles
621 mi
13h48
05
San Diego
763 mi
16h57
By drive time
Routed road time (OSRM). Nearest major highway 8.9 mi away.
Picking your site
04 · 48 SITES
Color byShow only
48 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
0
50-amp
0
Accessible
0
Prime
48
Sites
★ The standout
Site E16
Loop E · shaded.
To neighbor
96 ft
Max rig
31 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Named hiking routes
15
Trail segments
91
Peaks
5
Viewpoints
3
Water & Access
Lake / river access
yes
To nearest major road
8.9 mi
Method
We synthesize public data layers: RIDB and Recreation.gov facility and site records, Open-Meteo climate normals, OpenStreetMap roads, trails, and water, OSRM drive times, and USGS elevation. We take no bookings, no ads, and no paid placements. Independence is the entire point.