That’s Lassen Volcanic National Park — home to amazements that extend ... an even-more-impressive collection of mud pots, hot springs and fumaroles (vents in the Earth that release steam).

Overflowing with otherworldly landscapes, boiling hot springs, and more than 20 volcanoes, Lassen Volcanic National Park is a unique park that still has yet to break through on the radar of the ...

Lassen Volcanic National Park part of Pacific Ring of Fire Lassen ... s geyser basins with steaming fumaroles, hissing hot springs, and mud pots. Nearby is the Lassen Peak trailhead (requiring ...