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Surrounded by lush conifer forest, this surreal, lunar terrain boils and bubbles with mud pots and steaming geysers.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

In the shadow of Mount Lassen, this gorgeous meadow provides access to a waterfall and views of the Milky Way and even the aurora borealis.

Colorful wildflowers and grasses decorate this vast, open meadow, where you’ll see mule deer grazing along the meandering Kings Creek.

Notice the rotten egg smell as you perch over the dome at the end of a trail that loops around the Cascade Range’s southernmost active volcano.