Natural Features & Ecosystems
Pipestone National Monument was set aside in 1937 for its unique cultural resource: pipestone. In this area, you can learn more about the geology of Pipestone in Geologic Formations and in Glaciers / Glacial Features. In preserving access to this important stone for native cultures, Pipestone National Monument has also come to protect a threatened tallgrass prairie ecosystem.
Did You Know?
Joseph Nicollet and John C. Frémont, famous 19th century explorers, visited Pipestone National Monument in 1838 and carved their initials into the Sioux Quartzite cliff. The inscription is still visible along the Circle Trail. More...