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Entrance Service Charge
Honor system chargeable at all times. Open year-round from sunrise to sunet. Full service use of the park and picnic
pavilions is May through October, Friday through Sunday. Reduced service access to the park is available at all other
times (gate is closed after the first parking lot).
* $3/vehicle; $4/vehicle out-of-state residents
Rosaryville State Park
c/o Mount Airy Mansion
8714 Rosaryville Road
Upper Marlboro MD 20772
* Perimeter Trail 7.5 miles - moderate to difficult
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.
* Tanager Point Overlook Trail 0.2 mile - easy
This overlook got its name from the numerous scarlet tanagers that spend the summer in Rosaryville State Park. You
can recognize the males from their brilliant scarlet red plumage. Female plumages are yellow underneath. This trail is not
hardened and therefore does not comply with ADA access guidelines; however, it may be useable by some persons with
disabilities due to its relatively level surface and short distance to the overlook.
* Spur Trails no blazes
There are a number of spur trails throughout the trail system that provide opportunities to shorten or lengthen the trail
circuit. These spurs are not maintained, however, so caution is advised when using them.
Horseback Riding
Rosaryville is the backdrop for the Marlborough Horse Trials cross-country course, which ranks with the best equestrian
triathlon courses in the country. Since its inception, the horse trials have become a major equestrian and community event
in the Southern Maryland region. For more information about these events, call 301-856-9656.
State Forest and Park Service General Information: 1-800-830-3974
Please report any problem to a park employee or call Park Watch at 1-800-825-7275.
Rosaryville State Park is open year-round from sunrise to sunset. Full service use of park and picnic pavilions is May
through October, Friday through Sunday. Reduced service access to the park is available at all other times (gate is closed
after first parking lot).
Please support your park by paying the service charge, which is paid individually at an honor box located on the entrance
This trail guide, complete with a topographical map of the trails, is available for sale from State Forest and Park Service
headquarters by calling 1-800-830-3974.
Rosaryville State Park is a 982-acre, day-use park with approximately 10 miles of trails ideal for birding, horseback riding,
hiking and mountain biking.
Special Event Park Use User Service Charge $2.00 per person. In addition day use of Rosaryville State Park can be
gained for horseback riding or cycling with an annual pass. For more information please call 301-856-9656. Annual Pass -