Greiner Nature Preserve protects 70+ acres in Hobart. A trail heads north from the parking area, through former farmland now under restoration to prairie. Left at the fork leads through oak woods to a small sand prairie; right at the fork leads to a fen that is home to wetland species like sedges and poison sumac. No facilities.
Directions: Lake County. From I-65 Exit 258 (Ridge Road), east 0.8 mile to Liverpool Road, then south 0.8 mile to the parking area on the right (west) side of the road.
GPS: N 41 32.398 W 87 17.860