Lone Pine Geyser is between the road and Yellowstone Lake near the West Thumb Geyser basin of Yellowstone. Lone Pine erupted with an interval of 15 to 21 1/2 hours in 2001.
Lone Pine Geyser June 2002:
Lone Pine movie (5.2 Mb, 30 sec)
Image copyright 2002, George and Sue Schroeder. All rights reserved.