Yellowstone Mammoth Hot Springs

Mammoth Hot Springs from The Old Yellowstone Trail Head. An defunct geyser cone formed by a minreal hot geyser.

Skiing to the Upper Terrace Trail leads to several very active hot springs

Mammoth Hot Springs Inn from the top of The Upper Terrace Trail

All of the trails in Yellowstone are back country with tracks cut by previous skiers or Bisons.

The White Elephant's Back Spring. Hard to see in this photo but 212F hot water was flowing from the top