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

    Effigy Mounds

    National Monument Iowa

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View of Mississippi River from Fire Point

View of Mississippi River from Fire Point

NPS Photo


Effigy Mounds National Monument

151 HWY 76

Harpers Ferry, IA 52146-7519


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Visitor Information

563-873-3491 ext. 202

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.