SeasonsLassen Volcanic National Park is open 24 hours per day, 365 days per year. You do not need a reservation to enter the park. ![]() Visiting in Spring
Access to snow-free park areas/features and the number of visitors gradually increase between April and June. ![]() Visiting in Summer
The park is its busiest in the months of July through September when nearly all activities, services, and areas/features are accessible. ![]() Visiting in Fall
Most areas of the park remain accessible in October and November while services gradually decrease. ![]() Visiting in Winter
Plan your visit in the winter/spring snow season. 2023 Operating DatesSouthwest Area
Manzanita and Summit Lake Areas
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Facility/Service | Status | First Day | Last Day | Hours |
Closed due to Dixie Fire hazards and repair efforts. |
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Closed due to Dixie Fire hazards and repair efforts. |
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Closed due to Dixie Fire hazards and repair efforts. |
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Closed |
6/16 |
10/16 |
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Last updated: November 30, 2023