Northeast of Riverside, the Milestone Ranch MX Park has five tracks open to dirt biking over 55 acres. The tracks include: Main Track, Vet Track, Intermediate Track, Pit Bike Track and Pee Wee Track.
The Milestone Ranch MX Park is located at 12685 Holly Street in Riverside. If arriving with a trailer, take Agua Mansa to Holly. The approach from this direction has wider turns and gives a more direct entrance to the park.
Overall, Milestone Ranch MX Park is the 107th most popular dirt bike trail of all 120 dirt biking rides in California.