Southwest Campground sits on the east side of the Kohm Yah-mah-nee Visitor Center parking area at 6,722 feet in Lassen Volcanic National Park. Walk-in tent sites operate roughly June through October; when snow arrives, the campground closes and only self-contained vehicles can overnight in the parking lot. Reviewers praise the short carry from car to site, clean restrooms, and immediate access to trails and geothermal features.
Seasonal walk-in campground with different rules by season: walk-in tent sites are open roughly June–October; when snow is present (roughly November–May) tent sites are closed and overnight stays are permitted only for self-contained vehicles in the parking lot.
Weather and SeasonsBest season: summer. Summer offers the most reliable, snow-free access and the widest range of activities — trails, boardwalks and the Kohm Yah-mah-nee Visitor Center are fully accessible and easy to explore. Daytime highs typically range from about 55–75°F with cool nights around 30–45°F, making it ideal for hiking, volcanic feature viewing, and stargazing; expect moderate to busy crowds in July–August and noticeably quieter conditions in early June and September. Pack layers, sun protection, and insect repellant (
Peak months: July, August, September, June
Avoid: November, December, January, February
Elevation6722 ft above sea level
Natural Features and SceneryThe campground occupies volcanic terrain in the park's southwest corner along Highway 89. A creek runs nearby, and the Sulphur Works geothermal area and a waterfall sit within walking distance. Sites offer a mix of sun and shade. Reviewers rave about wildflower displays in July and the dark skies for stargazing. The landscape is classic Cascade Range: forested slopes, volcanic rock, and visible thermal activity. Elevation keeps temperatures cool even in summer.