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Lassen Volcanic · April
April is one of the best times to visit Lassen Volcanic — about as busy as March, quieter than May.
Expect light crowds (1/10), highs near 50°F, about 13.3 hours of daylight, and 1 seasonal closure in effect.
Crowd score
Well below this park's peak — easy parking, open trails, short lines.
About 8% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
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
Visitation
April draws about 2% of Lassen Volcanic’s yearly visitors.
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
Source: NOAA 1991–2020 climate normals, MANZANITA LAKE, CA US
What's open
The park is always open. Road access is limited during the winter season, approximately November through May, due to snow.
Seasonal closures may apply:
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 →Source: NPS Data API
Conditions
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.
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 →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.
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 →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
Context
FAQ
April rates 1/10 for crowds (Quiet) at Lassen Volcanic National Park — about 8% of its busiest month. Typical recreation visits: 8,103.
In April, Lassen Volcanic averages a high of 50°F and a low of 28°F, with about 4.3 inches of precipitation.
Entrance to Lassen Volcanic costs $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.).
Lassen Volcanic is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
In mid-April, Lassen Volcanic gets about 13.3 hours of daylight, with sunrise around 5:26 AM and sunset around 6:45 PM.