Ojo Caliente Spring

Ojo Caliente Spring is a hot spring in Lower Geyser Basin, of Yellowstone National Park. It is in the River Group which includes Azure Spring,^[3] and is located a few yards off the Fountain Flats Freight Road on the northern bank of the Firehole River.

Ojo Caliente Spring
Ojo Caliente Spring, 1967
Location	Lower Geyser Basin, Yellowstone National Park, Wyoming
Coordinates	44.5629852°N 110.8388101°W / 44.5629852; -110.8388101[1]
Elevation	7,182 feet (2,189 m) [2]
Temperature	94 °C (201 °F) [1]

In Spanish Ojo Caliente means "hot eye". It is a superheated, alkaline spring which, on its northern end, boils constantly to a height of 12 to 20 inches (30 to 51 cm).^[4]