Select a pin to learn more. View our statewide California hot springs map.
Escape to the high country and find your inner peace. Long Valley, located in the Mammoth Lakes region, offers a geothermal paradise of bubbling pools and remote backcountry among Southern California’s hot springs.
Mammoth Lakes/Long Valley Hot Springs
Mammoth Lakes and Long Valley are in the Eastern Sierra Nevada Mountains of California. This area is accessible from either LA and San Francisco via Bakersfield and Bishop or from Reno via Truckee and Bridgeport.
Note: Winter driving conditions can be challenging in the Sierra Nevada Mountains. Be sure to check road conditions and weather forecasts before your trip, especially during winter months.
Long Valley Caldera
Long Valley is a caldera in eastern California that is home to several backcountry hot springs and fumaroles in the Mammoth Lakes region. The caldera is one of the largest in the world, measuring 20 miles long by 11 miles wide and 3,000 feet deep.
