Near Upper Marlboro, the 1000 acre Rosaryville State Park has a new 8 mile Perimeter Trail open to mountain bikers. This trail circumnavigates the park, providing hikers, cyclists and horseback riders with a tight, twisty, single-track route. The trail passes primarily through the woods, providing plenty of shade during hot summer months. The western section of this trail is mainly easy to moderate in difficulty. The trail in the eastern section has moderate to difficult terrain with more technical sections and frequent short hills that provide challenging climbs.
To reach the trailhead:
From Baltimore: (Travel time approx. 1 hour.) Take Route 97 to Route 3 south. Route 3 will cross Route 50 and become Route 301 south. Follow Route 301 to Upper Marlboro. The State Park is located approximately 4 miles south of Upper Marlboro. The park entrance is on the right.
From the Washington Beltway I-495/95: (Travel time approx. 1/2 hour.) Take exit #11, Route 4 east. Follow Route 4 to Upper Marlboro. Exit on Route 301 south for approximately 4 miles. The park entrance is on the right.
Overall, Rosaryville State Park is the 16th most popular mountain bike trail of all 17 mountain biking rides in Maryland.