Idaho Exposure

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

The Excelsior Geyser pool discharges 4,000 to 4,500 gallons of 199 °F water per minute directly into the Firehole River; Midway Geyser Basin.

The Excelsior Geyser pool discharges 4,000 to 4,500 gallons of 199 °F water per minute directly into the Firehole River; Midway Geyser Basin.

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