Lassen Volcanic National Park is open 24 hours per day, 365 days per year.
Summer (July – September): Greatest access to activities, services, and park areas/features; highest number of visitors.
Facilities are open 24 hours unless noted otherwise.
COVID-19 Modifications: All opening and closing dates are subject to change based on future conditions and public health guidance. We will continue to evaluate and adapt to changing COVID-19 guidance and adjust operations as needed.
Manzanita and Summit Lake Areas
Warner Valley - Juniper Lake - Butte Lake Areas
Last updated: December 28, 2020