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Most Visited National Parks in Iowa (2025)

163,584 recreation visits across 2 park units in Iowa.

Busiest first

Overnight columns are blank where a park has no such accommodation. A park crossing a state line is counted here with this state's share only.

ParkVisitsChange
Herbert Hoover NHS106,672-27.9%
Effigy Mounds NM56,912-8.2%

Calendar year 2025 figures.

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