Inside Yellowstone - West Thumb
West Thumb Geyser Basin Online Tour
Grant and West Thumb Natural Highlights
Anatomy of a Hot Spring
Hot Springs and How They Work
Frequently Asked Questions at Grant and West Thumb
Map of Grant Village and West Thumb Areas
Did You Know?
Yellowstone contains approximately one-half of the world’s hydrothermal features. There are over 10,000 hydrothermal features, including over 300 geysers, in the park.