Casa Diablo Hot Springs, California

Casa Diablo Hot Springs stands at 7319 feet elevation within the Long Valley Caldera, featuring natural geothermal features near Mammoth Lakes in eastern California.

The site operated as a vital stage stop from 1878 to 1881 along the Bishop Creek-Bodie route, supporting multiple mining camps with supplies and mail services.

Native American communities utilized this location for obsidian mining and manufacturing, establishing trade networks that reached coastal Chumash settlements in California.

The location is accessible through U.S. Route 395 at the intersection with California State Route 203, which connects to the Mammoth Lakes resort area.

Since 1983, the Mammoth Geothermal Complex at Casa Diablo transforms natural geothermal resources into electrical power through its generating plant.

Location: Mono County

GPS coordinates: 37.64640,-118.91600

Latest update: March 3, 2025 02:33