Related: See what California town was named one of the ... Big Bear Mountain Resort, Lake Helen at Mount Lassen, and Kalmia Lake in the Trinity Alps, but none of those locations crack the top ...

Until Mount St. Helens blew in 1980, Lassen's eruption was the most recent ... Airports: Redding and Chico, California; Reno, Nevada. The volcanic areas are best visited in summer and fall.

Mount Lassen, the southernmost active volcano in the Cascade Range and a favorite for backcountry adventurers, is bracing for up to 10 feet of snow as a bomb cyclone slams Northern California.