Lion Geyser

Lion Geyser is a cone-type geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. It is located in the Geyser Hill complex.

It was named for the roaring sound of steam releasing during an eruption. Eruptions can reach 90 ft and last from 1 to 7 minutes. Lion is the largest of the Lion Group which includes Little Cub Geyser and the currently inactive Big Cub and Lioness geysers.