Geysers in Yellowstone National Park

Fountain Geyser

Fountain geyser generally erupts every 4.5 to 6 hours and those eruptions last approximately 30 minutes. When I was there both Fountain Geyser and Clepsydra Geyser were erupting at the same time.
Date: July 15, 2019
Location: Lower Geyser Basin, Yellowstone National Park, WY