East of Cincinnati near Hillsboro, the Happy Hollow Dirt Park has 100 acres of trails and hills open to dirt bike riding. There is also a large and small motocross 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 Dirt Park is the 12th most popular dirt bike trail of all 20 dirt biking rides in Ohio.