Southwest of Chillicothe and east of Hillsboro, the Happy Hollow Dirt Park has 100 acres of trails and hills open to ATV riding. There is also a large and small track.
To reach the trailhead from the intersection of SR 124 and US 50 in Hillsboro, go Southeast on SR 124 for 15.7 miles. Go left (north) on SR 41 for 1.7 miles. Look for the park on the left.
Note: This family-friendly facility is open Saturdays and Sundays.
Overall, Happy Hollow Park is the 11th most popular ATV riding trail of all 17 ATV trails in Ohio.