Discover The History of The Park's Active Volcanoes, Glaciers, Craters, and Other Geologic Formations
Features include an active stratovolcano, 25 glaciers, 2 volcanic craters, and much more...
Below are detailed sections that describe the history and features of the park
Volcanic origins and eruption history of Mount Rainier, a towering stratovolcano shaped by millennia of eruptions.
Glaciers have shaped the parks landscape over thousands of years, creating deep valleys and sculpting its land through erosion.
Learn about the formation of Mount Rainier's Volcanic Craters.
Learn how the mud and lava flows transformed the parks landscape.