Public lands in Indiana
5 units whose boundary reaches Indiana, 731,144 acres counted whole even where a boundary crosses into another state. 3 national wildlife refuges, 1 wilderness area, 1 national forest. Largest first within each type.
National wildlife refuges
Wilderness areas
National forests and grasslands
Boundaries come from the agencies’ own layers. A unit is listed in every state its boundary reaches. Data refreshed September 18, 2026.