Alerts & Conditions



Current Conditions

The Conditions Summary section below includes current information about about seasonal conditions, closures, fire and air quality, and other current information. 


Conditions Summary


Current Conditions

Emergency Closures in Burned Areas

Burned Area Safety

Some closures are in place for facilities, infrastructure (e.g. bridges, overlooks), and areas affected by the 2021 Dixie Fire. Please adhere to all closures indicated by CLOSED signs. View a map of key emergency closures.

Use caution when recreating through burned areas. Standing dead trees can fall without warning. Learn more about burned area safety.

Park Roads

  • The Lassen National Park Highway is open to through traffic for the season.
  • The Lassen National Park Highway (connecting Hwy. 89 through the park) winds through mountainous terrain. It is 30 miles through the park and reaches an elevation of 8500 feet.
  • Warner Valley and Juniper Lake Roads closed to vehicles for Dixie Fire repair. Pedestrians and bicycles allowed to access trailheads.

Kohm Yah-mah-nee Visitor Center
(Southwest Area)

*Open Daily 9:00 am to 5:00 pm.
Lassen Association Park Store Open Daily 9:00 am - 5:00 pm.
Lassen Cafe & Gift Shop Open Daily 9:00 am - 5:00 pm.
Food selection is limited to prepackaged snacks and drinks.

*Extreme weather conditions may limit hours. See Alerts above for current information.

  • The electric vehicle charging station is online.
    • System is not always available due to intermittent internet outages.
  • Paws on Pavement. Pets are not permitted on hiking trails, or in any body of water. Walk leashed pets only on roads that vehicles can drive on.
  • The Southwest parking area allows overnight stays in self-contained vehicles (no tents) as the only year-round camping opportunitity in the park aside from backcountry camping.
  • Southwest Walk-in campground will remain closed in 2023 for 2021 Dixie Fire recovery. There is no tent camping available near the Southwest parking area in 2023.

Manzanita Lake Area

Loomis Museum open Thurs. - Mon. 9:00am-5:00pm.
Manzanita Lake Camper Store open daily 8:00am-8:00pm (food service only till 5:00pm)

Hiking Trail Conditions


  • Manzanita Lake Campground's loops A and B are available for reservation only using until 10/10/2023.
  • Butte Lake Campground loop B is open for first come, first serve dry camping until 10/17/2023.
  • Summit Lake Campground North and South are closed for the season.
  • View status and closure dates of park campgrounds.
  • Most campgrounds require reservation via
  • Camping in self-contained vehicles, such as motorhomes and trailers, is permitted in the Southwest parking area year-round. Large trailers and RVs must park in appropriate marked spaces. Do not take additional parking space.
    • Fires and fire pans including portable gas fire pits are prohibited in the Southwest parking area .
  • Warner Valley, Juniper Lake, and Southwest Walk-in Campgrounds will remain closed for 2023 for post 2021 Dixie Fire recovery.



AnchorWeather, Webcams & Snow Depths

Snow depths are updated when there is a significant change. Learn more about Lassen's snowpack and snowpack surveys.
There are no regular patrols into the interior of the park in the winter; information is provided only for the Manzanita Lake and Southwest Areas.

Last updated - August 5, 2023

California Cooperative Snow Surveys

Learn about Lassen's Snowpack

Lower Lassen Peak (LLP) | Lake Helen 8200 feet elevation | Feather River Basin

May Survey
Survey Date - April 25, 2023
Snow Depth - 195.5 inches (16 feet 4 inches | 5.0 meters)
Water Content - 108.5 inches (9 feet | 2.75 meters)
Density - 55%

Average of the May 1 water content survey data - 9 feet water content (55%) is 111% of the May 1 average.

New Manzanita Lake (MNZ) | Manzanita Lake 5900 feet elevation | Pit River Basin

April Survey

Survey Date - March 31
Snow Depth - 68.5 inches (5.7 feet | 1.7 meters)
Water Content - 21.5 inches (1.8 feet | .55 meters)
Density - 31%

Average of the April 1 water content survey data - 21.5 inches water content (31%) is 269% of the April 1 average.


AnchorAnchorStatus of Roads in the Park

Lassen Volcanic National Park Highway and other park roads are closed for the winter snow season, typically November through May.

Refresh your browser (hit F5) to view the most recent information.

Road Section



Lassen National Park Highway
A 30-mile section of Highway 89 between Highway 36 and Highway 44.

Temporary Closure

The park highway connects the northwest and southwest entrance of the park. Vehicles over 45 feet and commercial vehicles are not allowed.

Road construction at Sulphur Works began 09/25/2023. Lassen Park HWY 89 will be closed at Kohm Yah-mah-nee Visitor Center and Bumpass Hell Trailhead Monday-Friday to traffic at 8:00 AM, re-opened at 12:00 PM for one hour, then closed again 1–5 PM. Construction will occur until completion or snow closure.

Butte Lake Road


This 6-mile road is unpaved/gravel passable by all vehicles. It starts at the junction of Hwy 44 and dead ends at Butte Lake Area. Unmaintained Road.

Warner Valley Road

Closed to vehicles

Road closed to vehicles for Dixie Fire repair until further notice. Hike and bicycle access only.
Drakesbad Guest Ranch closed to all access.

Campground is closed.

Be alert in burned areas. Learn more about burned area hazards.

Road is not recommended for RVs, trailers, and low clearance vehicles. The 17-mile-long remote road begins off of Hwy 36 in Chester. The last 3-mile section is unpaved/dirt.

Juniper Lake Road

Closed to vehicles

Road closed to vehicles for Dixie Fire repair until further notice. Hike and bicycle access only.
Campground is closed.

Be alert in burned areas. Learn more about burned area hazards.

Recommended only for high-clearance vehicles. Road is generally not advised for RVs, trailers or vehicles with very low clearance.This remote road travels north from Chester (Hwy 36E). It is paved for the first 6 miles. The remaining 7 miles are rough gravel and rock. A section of the county road just before the park boundary has large rocks and hazards.


Roads to the Park

Check 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
State Route (SR) 36/89 provides access to the Southwest Entrance / Kohm Yah-mah-nee Visitor Center


COVID-19 Response

The National Park Service (NPS) is working service-wide with federal, state, and local public health authorities to closely monitor the COVID-19 pandemic. COVID-19 related modifications to park facilities are listed in the Conditions Summary section above. We will continue to monitor all park functions to ensure that operations and services adhere to CDC guidance and take any additional steps necessary to protect public health. View the NPS Public Health Update webpage for additional information about COVID-19 response.

Last updated: September 25, 2023

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Contact Info

Mailing Address:

PO Box 100
Mineral, CA 96063


530 595-4480

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