Ohio County

Counties: Ohio County

Natural Areas Organizations

Ohio County Indiana Location Map

Ohio County is in southeast Indiana. It is bounded on the north by Dearborn County, on the south by Switzerland County, and on the east by Kentucky.

  Natural Areas



Indiana Native Plant Society - South Central Chapter

Oak Heritage Conservancy



Ohio County Indiana Watersheds map

Ohio County Watersheds
Click to enlarge

Red lines on the map depict the boundaries of 8-digit hydrologic units (one convenient definition of a watershed) as shown on this 1974 United States Geological Survey Map.

All of Ohio County drains into the Middle Ohio-Laughery 8-digit hydrologic unit.