Idaho Exposure

Hiking, Climbing, Backpacking, Snowshoeing, Backcountry Skiing. Photos by Thomas Oetzell; idahoexposure.com

Runoff from hydrothermal features seeps into the Firehole River northeast of Old Faithful; Upper Geyser Basin.

Runoff from hydrothermal features seeps into the Firehole River northeast of Old Faithful; Upper Geyser Basin.

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