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A frozen lake below snow-covered trees and peak
NPS Photo / Scott Arnaz

National Park · CA

Lassen Volcanic National Park

Lassen Volcanic is quietest in January and February and busiest in July.

JanFebMarAprMayJunJulAugSepOctNovDec

Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →

Computed from federal data · Methodology by Sharon Ben-Moshe

Pick a month to visit Lassen Volcanic

This week

7-day forecast

DayConditionsHighLowPrecip chance
Fri 10Clear71°F52°F0%
Sat 11Overcast73°F53°F0%
Sun 12Overcast78°F55°F2%
Mon 13Light drizzle72°F54°F15%
Tue 14Overcast76°F51°F8%
Wed 15Clear80°F53°F1%
Thu 16Clear81°F52°F0%

Forecast data by Open-Meteo

Source: Open-Meteo

Weather

Monthly climate normals

MonthAvg highAvg lowPrecip
January41°F22°F6.5"
February42°F22°F5.5"
March46°F24°F6.4"
April50°F28°F4.3"
May61°F35°F2.9"
June70°F41°F1.3"
July79°F46°F0.3"
August78°F45°F0.3"
September72°F41°F0.7"
October59°F33°F2.7"
November47°F26°F4.7"
December40°F22°F6.5"

Source: NOAA 1991–2020 climate normals, MANZANITA LAKE, CA US

Know before you go

Fees & hours

Entrance fee
$30 — Admits one private, non-commercial vehicle. Valid for up to 7 consecutive days from day of purchase at Lassen Volcanic National Park. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.
Hours
The park is always open. Road access is limited during the winter season, approximately November through May, due to snow.
Official NPS park site →

Source: NPS Data API

Conditions

Current alerts

  • Information

    Visitor Phone Line Intermittent

    You may experience problems reaching park staff via the main visitor phone line which functions intermittently. You may email the park at lavo_information@nps.gov with general park questions.

  • Park Closure

    Road to Juniper Lake Closed for Repairs

    Road to Juniper Lake is closed to vehicle access due to needed repairs. Road leading to Juniper Lake sustained significant damage outside of the park with no ETA for repair.

    Details on nps.gov →
  • Information

    Lassen National Park Highway Open for the 2026 Season

    The Lassen National Park Highway (Hwy. 89, 30 miles through the park) opened to through traffic on May 22, 2026. Google maps and other third-party sites may be indicating the road is closed. This does not reflect accurate information.

  • Information

    EV charging station unavailable

    The Electric Vehicle charging station is non-functional. There is no timeline for when it may become available. Please plan accordingly.

    Details on nps.gov →
  • Caution

    Hazardous Hiking Conditions on Lassen Peak Trail

    Use caution hiking over snow-covered sections on the Lassen Peak trail. Hikers are encouraged to use trekking poles and wear deep-tread hiking boots. Wearing boot spikes will add additional stability over snow-covered sections.

Source: NPS Data API