Monument Geyser Basin Photos

Meet 2 travelers, 4 tour guides and discover 974 photos

The Monument Geyser Basin has no active geysers, but its 'monuments' are siliceous sinter deposits similar to the siliceous spires discovered on the floor of Yellowstone Lake. Scientists hypothesize that this basin's structures formed from a hot water system in a glacially dammed lake during the waning stages of the Pinedale Glaciation. The basin…
View Monument Geyser Basin guide >

Monument Geyser Basin - Yellowstone - Wyoming - USA