Solitary Geyser is a fountain-type

geyser A geyser (, ) is a spring characterized by an intermittent discharge of water ejected turbulently and accompanied by steam. As a fairly rare phenomenon, the formation of geysers is due to particular hydrogeological conditions that exist only in ...

Yellowstone National Park Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowston ...

, located above the

Upper Geyser Basin The geothermal areas of Yellowstone include several geyser basins in Yellowstone National Park as well as other geothermal features such as hot springs, mud pots, and fumaroles. The number of thermal features in Yellowstone is estimated at 10, ...

. Eruptions last about a minute and are four to eight minutes apart; most eruptions are less than six feet (1.8 m) in height. It is very distinctive with clear blue water underneath and a base that is tinted orange.https://www.smartrippers.com/en (July 4, 2018)
Trail to Observation Point and Solitary Geyser: panorama on Old Faithful

'. Solitary Geyser is accessible via the Observation Point loop trail behind Old Faithful. Originally this geyser was a

hot spring A hot spring, hydrothermal spring, or geothermal spring is a spring produced by the emergence of geothermally heated groundwater onto the surface of the Earth. The groundwater is heated either by shallow bodies of magma (molten rock) or by circ ...

known as Solitary Spring, which did not erupt. When water was diverted to a swimming pool, the water level was lowered sufficiently to cause eruptions. Since then the diversion of water has been stopped and the water has returned to its previous level, but eruptions continue.

Notes

Geothermal features of Yellowstone National Park Geysers of Wyoming Geothermal features of Teton County, Wyoming Geysers of Teton County, Wyoming {{Wyoming-geo-stub