Mount Yana, located on the border of Tehama, Plumas, and Butte counties of California, is an extinct stratovolcano located in the Cascade Range.
Geography
Mount Yana is southeast of Mount Maidu and Mineral, California, southwest of Lake Almanor and Chester, California, and northeast of Chico, California.
Geology
Mount Yana is the oldest of the volcanic centers that erupted before Lassen Peak and the other nearby lava domes formed. It is now eroded, and some of its more notable remnants include Butt Mountain, Ruffa Ridge, and Humboldt Peak.
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