Be sure to grab a trail map (available at the billboard at the front of each campground or welcome center) as trails interconnect and it would be easy to the rear part of the sites and picnic areas are gravel.
The best way to fully enjoy the park is by staying overnight in one of its several campgrounds. It is a small, but fun trail system for beginner and intermediate riders. It's clean and there is a great hilltop for stargazing and tons of running and mountain bike trails. Hiking the trails at ll stub stewart state park a lovely, green park.