Self-Guided Opportunities
Off Road Biking
Location St. Mary's River State Park, 301-872-5688
St. Mary's County
Start/End Parking lot at St. Mary's River State Park
Distance 7.5 mile circular trail
Time Varies. There are some side trails which riders frequently follow. Allow some extra time for intentional, interesting and challenging detours when using the area for the first time.
Trail Singletrack trail with one short section of service road across to dam.
Skill Level Easy to moderate. There are some gully and stream crossing shunt trails which riders can select to add additional challenge.
Suitable For Families? Yes, taking into account the ages and experience of the children. Stay together since there is one stream crossing which involves crossing a downed tree. Most riders carry at this point. For those who want the challenge, there is a wet upstream route option.
Hazards/Restrictions Trail is used by bikers, hikers and horseback riders. Ruts, roots, etc. can be found along such trails. Dogs on leash are allowed on the trail.
Potable Water Restrooms and water fountain available in warm months.
Natural Features Beautiful scenery around the lake. Take notice of the variety of habitats, ranging from wooded acres and grass fields, to swamps and streams.
Historic/Cultural Features Look for some 18th century homes, school and sawmill sites along the trail.
Bike Rentals/Service Patuxent Adventure Center, 410-394-2770 (
Camping Point Lookout State Park is the only nearby state facility. Call the toll-free number for reservations at 1-888-432-2267. There are also two private campgrounds within a half hour bike ride.
Other Points of Interest None
Other Accommodations Hotels and motels are located in nearby towns
Fees or Permits $3/vehicle year-round for in-state residents; $4/vehicle year-round for out-of-state residents.
Description St. Mary's River State Park is a park that is not generally known, but a real treasure. The park is located on the headwaters of the St. Mary's River, and is divided into two sites. This trail is located on site one or as it is better known, "the lake area."
There is the 250 acre St. Mary's Lake, which is circled by 7.5 miles of trails. First time riders should allow extra time for interesting and challenging detours.

  • Mountain Bike America: Washington-Baltimore, second edition, (Scott Adams and Martin Fernandez)
  • St. Mary's State Park Trail Map (check map dispensers at park bulletin board)
  • St. Mary's River State Park homepage
Recommended Gear and Safety Tips
  • Tire repair kit or tube
  • Bike pump
  • Helmet
  • Be aware of your skill level and make safety your constant companion
  • Have fun, be safe and come back often
  • Bring sunscreen and insect repellent