Grand Geyser is located in the Upper Geyser Basin of Yellowstone. Grand erupts about every 8 hours and has a duration of about 10 minutes for the first burst. The second burst is usually much taller and has a shorter duration. It usually has 2 or 3 bursts.
Grand Geyser September 2001:
Above image copyright 2001, Michael Frazier. All rights reserved.
Grand Geyser August 2000:
Above image copyright 2000, Michael Frazier. All rights reserved.
Grand Geyser backlit:
Above image copyright 1998, Mas Hayakawa. All rights reserved.
Grand backlit movie (1.5 Mb, 15 sec, sound)
Grand Geyser from afar:
Above image copyright 1998, Michael Frazier. All rights reserved.