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 - Black Sand Basin
BONUS FEATURES - Related Web Pages
Map with the Black Sand Basin Location
How Geothermal Features Work
Geothermal Resources in Yellowstone
Did You Know?
Lake trout are an invasive species of fish that is decimating the native cutthroat trout population in Yellowstone Lake.