West Thumb Geyser Basin, Fierce Hot Springs, Mud Pots and Geysers - Yellowstone National Park, USA Holidays

The West Thumb Geyser Basin is the largest geyser basin at Yellowstone Lake, and an impressive area of geothermal activity that contains hot springs, mud pots, and geysers - some of which are even in the lake itself. We enjoyed the trill of watching it in detail very closely.