NPS Sites Near Indianapolis
Within 150 miles of Indianapolis, five National Park Service units are accessible for day trips or regional travel. The closest is William Howard Taft National Historic Site in Cincinnati, Ohio, approximately 98 miles away, which attracted 18,121 annual recreation visits. Dayton Aviation Heritage National Historical Park, located about 105 miles distant in Ohio, received 79,760 visits. George Rogers Clark National Historical Park near Vincennes, Indiana, roughly 108 miles away, drew 113,397 visitors annually.
Two additional sites extend toward the 150-mile range. Charles Young Buffalo Soldiers National Monument in Ohio, approximately 119 miles from the city, recorded 4,412 annual visits. Lincoln Boyhood National Memorial in Indiana, about 125 miles away, received 115,517 visits. These sites represent diverse aspects of American history, from aviation and military heritage to presidential and civil rights history, offering varied options for those planning regional outings from the Indianapolis area.
| NPS unit | Annual visits |
|---|---|
| William Howard Taft National Historic Site · 97.9 mi | 18,121 (2025) |
| Dayton Aviation Heritage National Historical Park · 104.9 mi | 79,760 (2025) |
| George Rogers Clark National Historical Park · 107.7 mi | 113,397 (2025) |
| Charles Young Buffalo Soldiers National Monument · 118.7 mi | 4,412 (2025) |
| Lincoln Boyhood National Memorial · 124.7 mi | 115,517 (2025) |
| Indiana Dunes National Lakeshore · 136.8 mi | 2,629,497 (2025) |
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Nearby-NPS units and their annual recreation visits are from the NPS Visitor Use Statistics package (haversine match within 150 mi of the city centroid), verified June 2026. Null visitation renders as “n/a”, never 0. How we compile this.