Lamar Valley in Park County, Wyoming — The American West (Mountains)
This travertine (calcium carbonate) mound was formed more than a century ago by a hot spring. Only small amounts of hydrothermal water and hydrogen sulfide gas currently flow from this once more prolific spring. This formation is very fragile. It is illegal to remove, deface, or destroy any part of it.
Erected by National Park Service.
Location. 44° 52.677′ N, 110° 9.166′ W. Marker is in Lamar Valley, Wyoming, in Park County. Marker is on NE Entrance Road (U.S. 212), on the right when traveling east. Touch for map. Marker is in this post office area: Yellowstone National Park WY 82190, United States of America.
Categories. • Natural Features •
Credits. This page was last revised on June 16, 2016. This page originally submitted on September 7, 2015, by Bill Coughlin of North Arlington, New Jersey. This page has been viewed 147 times since then and 33 times this year. Photos: 1, 2, 3, 4, 5. submitted on September 7, 2015, by Bill Coughlin of North Arlington, New Jersey.