Hot Creek Geological Site: Boiling Springs and Volcanic Features. Photo Credit; Clickfarmer, Hot Creek near Mammoth Lakes, California 02.jpg
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Published February 25, 2026
Hot Creek Geological Site: Boiling Springs and Volcanic Features
Near Mammoth Lakes off Highway 395, Hot Creek Geological Site showcases bubbling hot springs, fumaroles, and geysers in a narrow gorge. This dramatic area highlights Long Valley Caldera's geothermal activity; viewed from overlooks only due to extreme hazards.
A Geothermal and Volcanic Crossroads
Hot Creek merges boiling hydrothermal features (up to 200°F+), travertine deposits, and the caldera's unrest history. No direct entry; observation from trails above reveals steam vents, colorful mineral pools, and occasional geyser eruptions amid sagebrush.
Adventure With a Conservation Conscience
Short overlook trail (0.5-mile loop) for safe viewing; interpretive signs explain geology.
Access is restricted: site closed to entry (dangerous boiling water/sudden eruptions), sunrise to sunset from overlook, pack out waste, stay on paths. No swimming/climbing; monitor USGS for caldera activity.
Hot Creek Geological Site delivers Mono County boiling springs and volcanic features from safe overlooks. For geology enthusiasts seeking geothermal drama, the viewpoint repays distant observation; a steaming caldera window.