National Monument · IA
Effigy Mounds National Monument is open.
Last checked Wed, 14 Oct 2026 13:00:58 GMT
The mounds preserved here are considered sacred by many Americans, especially the Monument's 20 culturally associated American Indian tribes.
A federal government shutdown is in effect. Access and staffing at National Park Service sites vary — some close and barricade entrances, some stay open but unstaffed. Live shutdown status →
The mounds preserved here are considered sacred by many Americans, especially the Monument's 20 culturally associated American Indian tribes. A visit offers opportunities to contemplate the meanings of the mounds and the people who built them. The 200 plus American Indian mounds are located in one of the most picturesque sections of the Upper Mississippi River Valley.
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We derive Effigy Mounds National Monument's status from the National Park Service's own alerts and operating hours, refreshed hourly — this is our reading, not an official determination. As of the last check: No active closures or hazards reported. Full method: how we check park status.