Address for GPS: 209 Hawk Hill Rd, West Union, OH 45693
From West Union Ohio, the county seat of Adams County, turn north on State Route 247 North. (If coming south on SR 42, the turnoff will be past the courthouse. 7/10 of a miles later, turn left off SR 247 onto Chaparral Road. 2.8 miles later Chaparral Road makes a 90 degree turn. Keep straight, which will put you on Hawk Hill Road. Chaparral Prairie State Nature Preserve will be soon on your left and is well marked. If you see Cave Hill Road on your left, you have gone too far.