Yellowstone’s hydrothermal system has been powered 24 hours a day, 365 days a year for at least the last ~2 million years by the release of heat from the magmatic system in the subsurface.
Sediment from the bottoms of lakes in Yellowstone contain records of past changes to the landscape including how hydrothermal activity, vegetation, and climate in Lower Geyser Basin have evolved over time. The place used to look much different than it does today…
Millions of visitors enjoy the wonders of Yellowstone National Park each year. Most of these people need a place to stay overnight in or around the park; thus, many hotels
Yellowstone is covered with evidence of glaciers. About 22,000 to 14,000 years ago, during the most recent ice age, ice draped the region to a thickness of a kilometer that’s over half a mile! When the ice melted, it left debris everywhere, mantling much of the surface of Yellowstone National Park. For example, Hayden Valley, located between Yellowstone Lake and the Grand
Yellowstone Lake is the largest lake in Yellowstone National Park, and has been studied using submersible vehicle, acoustic mapping, geophysical (seismic) reflection surveying, and lake coring.