Imperial Geyser is a backcountry geyser accessible from a trail south of the Midway Geyser Basin of Yellowstone. In early May 2002, Imperial was erupting almost continuously. Some of the bursts appear to be as high as 50 feet.

Imperial Geyser May 2002:

Imperial movie (1.3 Mb, 15 sec, sound)

Image copyright 2002, Michael Frazier. All rights reserved.