• Lassen Peak from Hat Creek

    Lassen Volcanic

    National Park California

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  • Lassen Volcanic National Park

    Hydrothermal Features

    Hydrothermal Features

    Join a ranger at Sulphur Works or Bumpass Hells parking area for an exploration of Lassen's hydrothermal areas.

  • Lassen Volcanic National Park

    Introduction to Lassen

    Introduction to Lassen

    A ranger will meet you at one of many locations throughout the park to provide a brief introduction to Lassen Volcanic National Park.

  • Lassen Volcanic National Park

    Volcanoes of Lassen Demonstration

    Volcanoes of Lassen Demonstration

    This ranger-led program helps students discover all four types of volcanoes, each found at Lassen. Students will learn about the geology and volcanic history of the park.

Did You Know?

Did You Know?

On the evening of May 14, 1915, incandescant blocks of lava could be seen bouncing down the flanks of Lassen Peak from as far away as the town of Manton, 20 miles to the west.