Campbell Hill is, at 1,549.09 feet, the highest point in elevation in the U.S. state of Ohio. Campbell Hill is located within the city of Bellefontaine, 2 miles northeast of downtown.
Wikipedia https://en.wikipedia.org/wiki/Campbell_Hill_(Ohio)
Address 43311, United States
Coordinates 40°22'12.563" N -83°43'12.264" E