Turquoise pool at Midway basin. Water is 150 degrees
From Yellowstone Winter 2011
Heavy steam around the Excelsior Geyser at Midway basin. Over 4000 gallons/hour of 200 degree water flow from this geyser that last erupted in 1985
Falls in firehole river canyon drive. Green tint of water comes from algae in the warm water
Falls in Firehole canyon drive
Firehole river, snow on bank and falling
Lower Geyser basin
Snowmobiles being led by a guide.
Warm pool at Fountain Paint Pot, part of Lower Geyser Basin
"bobby sox" trees, killed by the thermal runoff water and absorbing the minerals up their trunks.
Stopping by the Firehole river to shoot some bison. Not that kind of shooting