Geysers of Yellowstone - Great Fountain Geyser Great Fountain Geyseris located in the Lower Geyser Basin on the Firehole Lake Drive. Prior to an eruption Great Fountain's pool slowly fills with water and begins overflowing about 40 minutes prior to an eruption.
Great Fountain Geyser
is located in the Lower Geyser Basin on the Firehole Lake Drive. Prior to an eruption Great Fountain's pool slowly fills with water and begins overflowing about 40 minutes prior to an eruption.