Great Fountain Thermal Area - Pink Cane Geyser Looking at Pink Cane Geyser. Pink Cone Geyser - Time between eruptions is usually every 6-15 hours. Duration of the eruption can vary from 30 minutes to 3 hours. The average height is 30 ft With half of the earth’s geothermal features, Yellowstone holds the planet’s most diverse and intact collection of geysers, hot springs, mudpots, and fumaroles. Its more than 300 geysers make up two thirds of all those found on earth.