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North State
Lassen Volcanic
Volcano country — steaming hydrothermal stops, alpine lakes, high viewpoints.
When to go71F day, 48F nightBring an evening layer7 road flagsUpdated Aug 23
01 · The call
Mixed conditions
Why now
One of the better months for hydrothermal stops + volcano viewpoints here.
Watch out
Juniper Lake Campground Closed
Plan B
Keep the trip anchored around Mineral or south-entrance stay with a shorter loop through Manzanita Lake and Sulphur Works.
Why now
One of the better months for hydrothermal stops + volcano viewpoints here.
Watch out
Juniper Lake Campground Closed
Plan B
Keep the trip anchored around Mineral or south-entrance stay with a shorter loop through Manzanita Lake and Sulphur Works.
02 · The story
volcanic park guide
Lassen is not just a mountain park.
volcanic park guide
Lassen is not just a mountain park.
Field notes
Heads up
Stay on thermal boardwalks. At Sulphur Works, Bumpass Hell, and other thermal areas, stay on the boardwalks and trails.
Travelers who want volcanic scenery without going to HawaiiSummer and early fall road trips with lake, peak, and hydrothermal varietyShort walks mixed with scenic drivingNorth State trips that pair well with Burney, Shasta, or Redding-side routing
03 · Highlights
04 · The window
Peak
July-October
Skip
December-May
When to go
Jan
Feb
Mar
Apr
05 · The conditions
Current weather
71F day, 48F night
2% chance of rain
9 mph wind
Bring an evening layer
Nearest towns: Truckee · Mount Shasta City
Updated Aug 23, 2026, 12:12 PM
06 · On the ground
Access
Juniper Lake Campground Closed
Fire Restrictions in Effect
Before you go
Park road closes in winter
Remote park, thin signal
Road and weather data checked Aug 23, 2026, 12:12 PM
Roads, fire, and closures
ExpandCollapse
Official alerts
Last checked
Aug 23, 2026, 12:12 PM
The Juniper Lake Campground and day use area is currently closed for maintenance and campground improvement projects. Potable water is not available in the campground. The Juniper Lake Road (access to lake and trailheads) is open. Please drive with caution as road crews and contractors may be actively working along the roadway.
The signature hydrothermal hike when snow has cleared, with a real trail commitment and limited parking.
Signature hydrothermal basinReal Lassen hikeVolcanic landscape beyond a roadside stop
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak · July-OctoberShoulder — the in-between monthsSkip · December-May — Skip if you can: Check "Juniper Lake Campground Closed" before departure.Busiest · Jul — NPS visitation, 3-year average
Across the park
Temp · Mon 24 · PM
Lassen Peak
57° · 10,457 ft
Bumpass Hell
64° · 8,150 ft
Cinder Cone
75° · 6,907 ft
Kohm Yah-mah-nee
72° · 6,700 ft
Manzanita Lake
77° · 5,890 ft
Warner Valley
77° · 5,600 ft
Across the park
About 20° colder up high — Manzanita Lake 77°, Lassen Peak 57°.
Across the park · by elevation
Temp · wind
6,000 ft
8,000 ft
10,000 ft
77°
77°
72°
75°
64°
57°
Warner Valley5,600 ftwind SW 14 mph
Manzanita Lake5,890 ftwind SW 15 mph
Kohm Yah-mah-nee6,700 ftwind SSW 15 mph
Cinder Cone6,907 ftwind SW 17 mph
Bumpass Hell8,150 ftwind SSW 20 mph
Lassen Peak10,457 ftwind SSW 20 mph
Temp · Mon 24 · PM
Lassen Peak
57° · 10,457 ft
Bumpass Hell
64° · 8,150 ft
Cinder Cone
75° · 6,907 ft
Kohm Yah-mah-nee
72° · 6,700 ft
Manzanita Lake
77° · 5,890 ft
Warner Valley
77° · 5,600 ft
Warner Valley 77° · Lassen Peak 57° — colder up high.
Due to high fire danger, fire restrictions are in effect in all areas of Lassen Volcanic National Park. Building, maintaining, attending, or using open fires, campfires, or stove fires is prohibited, including charcoal. Self-contained propane or petroleum camp stoves are permitted.
Jul 31, 2026 → —·SevereNPS · Caution
3-1 PIT is an active wildfire roughly 32 miles from Lassen Volcanic. Current incident context: Lassen County, 1,055 acres, 98% contained. 4 Miles SE from LITTLE VALLEY, CA
Jul 7, 2026 → —·ModerateWFIGS · Wildfire incident
Bug is an active wildfire roughly 90 miles from Lassen Volcanic. Current incident context: Lassen County, 93,733 acres, 94% contained. 4 Miles NW from Cold Springs, NV
Aug 8, 2026 → —·ModerateWFIGS · Wildfire incident
Currently, no water is available in the restrooms at the Butte Lake campgrounds. Work is underway to restore it. Pit toilets are available.
Jul 27, 2026 → —·MinorNPS · Information
The Electric Vehicle charging station is non-functional. There is no timeline for when it may become available. Please plan accordingly.
Jun 8, 2026 → —·MinorNPS · Information
LOOMIS is an active wildfire roughly 35 miles from Lassen Volcanic. Current incident context: Lassen County, 656 acres, 99% contained. 5 Miles NE from LITTLE VALLEY, CA
