• A quiet summer walk through the Marching Bear Group of effigy mounds

    Effigy Mounds

    National Monument Iowa

High Resolution Mound Aerial Photos Gallery

Did You Know?

Sny Magill Mound Group

The Sny Magill Unit of Effigy Mounds National Monument preserves at least 106 mounds representing the largest group of mounds in one location found in North America. The Unit contains two bird mounds, three bear mounds, 6 linear mounds and 95 conical mounds including a 2500 year old red ochre mound.