Alerts & Conditions



Learn and Explore

Current Conditions

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

The park is OPEN; vehicle access and services are limited in the winter/spring snow season. 

Reservations are not required or accepted to enter Lassen Volcanic. You may enter the park at any time, 24 hours a day. An entrance fee or pass is required. Only annual passes may be purchased in advance.


Conditions Summary

View the Winter Visitor Guide (3.5 MB, PDF) and learn more about Visiting in Winter.


Current Conditions

Winter Entrance Fee

The $10 winter park entrance fee is in effect until 4/15.

Winter Driving

Vehicle access is limited to the Manzanita Lake and Southwest Areas (one mile from park entrances) The 30-mile park highway is closed to through traffic for the winter/spring snow season.

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


  • The vestibule containing restrooms and a water fountain will remain open and served as road conditions permit safe staff access.
  • Snow plow operators leave the Southwest Area at 1:30 pm during periods of heavy snowfall. Plan to exit behind the plow unless you are prepared to drive through deep snowpack or remain overnight.
  • Emergency services may not be reachable or available. Severe weather can disrupt service to the 911 phone and cell service if often not available within the greater area.
  • Learn about snowplay in the Southwest Area.

Loomis Plaza
(Northwest Area)

Loomis Plaza is open; Loomis Museum is closed for the winter/spring snow season. Learn about snowplay in the Manzanita Lake (northwest) Area.

Oversnow Route Conditions

All park trails are covered with snow. Trails are considered winter routes when snow-covered. Travel beyond plowed roadways may be done by snowshoeing or skiing/snowboarding.

Winter Camping in Southwest Area

  • Camping in self-contained vehicles, such as motorhomes and trailers, is permitted in the Southwest parking area. Overnight vehicles must park in the center of the parking area to leave the outer loop open for snow clearing operations.

  • Tent camping is permitted in oversnow camping area on the south end of the parking area.
  • Fires and fire pans are not permitted; self-contained barbecues and gas stoves are allowed. Drinking water and restrooms are available inside the visitor center. The $10 winter camping fee may be paid at the entrance station.

Ranger-led Programs

Ranger-led snowshoe programs are not currently available.

A map footprint of a wildfire highlighted in orange and encompassing 68% of the eastern portion of the park.
Winter 2021-2022 closure map updated 11/15/2021.
Current Closure Map

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. Due to this, there are not current snow conditions on routes beyond the Loomis Plaza or Kohm Yah-mah-nee Visitor Center.

Last updated - Jan. 23, 2022


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.

to through traffic for winter/spring snow season.

(park access is available, see description to the right)

Access to the Southwest entrance from Hwy. 36 remains open to the Kohm Yah-mah-nee Visitor Center throughout the winter snow season. Access can temporarily close due to extreme weather events.

Access to the northwest entrance from Hwy. 44 remains open to the Loomis Plaza throughout the winter snow season. Access can temporarily close in the event of extreme weather events.

When open: the paved, 30-mile park highway connects the northwest and southwest entrance of the park. Vehicles over 45 feet and commercial vehicles are not allowed.

Butte Lake Road


Road closed for the winter/spring season.

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.

Warner Valley Road (access to Drakesbad Guest Ranch)


Road closed due to Dixie Fire impacts.

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


Road closed due to Dixie Fire impacts.

This remote road travels no from 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 and is recommended only for high-clearance vehicles. Road is generally not advised for RVs, trailers or vehicles with very low clearance.


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: January 23, 2022

Contact the Park

Mailing Address:

PO Box 100
Mineral , CA 96063


530 595-4480

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