Craig Pass Closed for the Season; Mammoth to Norris Closed Sept. 14-30
The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon. The road from Mammoth to Norris is closed for two weeks—traffic should detour over Dunraven Pass. More »
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?
At peak summer levels, 3,500 employees work for Yellowstone National Park concessioners and about 800 work for the National Park Service.