AlertsCurrent ConditionsLast updated: 4/6/2024 | You may need to reload page to see updates.The Conditions Summary section below includes current information about about seasonal conditions, closures, fire and air quality, and other current information.
Visitor Centers
Weather, Webcams & Snow DepthsSnow depths are updated when there is a significant change. Learn more about Lassen's snowpack and snowpack surveys.
California Cooperative Snow SurveysLearn about Lassen's SnowpackSurveys typically take place around the start of every month, January through May or June. View statewide survey information inlcluding two survey locations in the park. Lower Lassen Peak (LLP) | Lake Helen 8200 feet elevation | Feather River Basin April Survey Date - March 24 Snow Depth - 193 inches/16 feet Water content - 91 inches/7.6 feet Density (water to snow ratio) - 47% April 1 average for water content - 115% New Manzanita Lake (MNZ) | Manzanita Lake 5900 feet elevation | Pit River Basin April Survey Date - March 29 Snow Depth - 31.5 inches Water Content - 11.4 inches Density (water to snow ratio) - 36% April 1 average for water content - 142% Status of Roads in the ParkLassen Volcanic National Park Highway and other park roads close to vehicle access during the winter snow season, typically November through May.
Roads to the ParkCheck conditions for area roads (map of the area) on the CalTrans QuickMap or Highway Conditions lookup page; or view current conditions on CalTrans webcams. The park does not determine chain control restrictions - this is determined by CalTrans. Please go to the CalTrans website for area chain control information. State Route (SR) 44/89 provides access to the Northwest Entrance/Manzanita Lake Area Winter Closure Map |
Last updated: April 17, 2024