This article is about a geyser in Yellowstone National Park. For sulphur springs in general, see Mineral spring. For the unincorporated community in Indiana, see Sulphur Spring, Indiana.
Sulphur Spring (also known as Crater Hills Geyser), is a geyser in the Hayden Valley region of Yellowstone National Park in the United States.[2]
Sulphur spring has a vent Temperature of 89 °C (192 °F) although the actual temperature of the spring is 79.8 °C (175.6 °F).
It is located in the Crater Hills area of Hayden Valley about 1 mile (1.6 km) west of the Grand Loop Road.