Self-Guided Opportunities
Location St. Mary's River State Park Trails
St. Mary's River State Park, 301-872-5688
From Maryland Route 5 in Callaway, turn east on Camp Cosoma Road and follow the road to the end. There is a sign on Maryland Route 5
St. Mary's County
Trail Access From the parking lot at the boat ramp
Distance 7.5 miles
Time Varies, there are some side trails which hikers frequently follow.
Trail Conditions Single track 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 hikers can select to add additional challenge.
Suitable For Families? Yes, taking into account the ages and experiences of the children. Stay together since there is one stream crossing which involves crossing a downed tree.
Hazards/Restrictions Trail is used by bikers, hikers and horseback riders. Ruts and roots can be found along such trails. Dogs on leash are allowed on the trail.
Potable Water Restrooms and water fountain are available in warm months. Port-o-John is available in winter months.
Natural Features Beautiful scenery around the lake. Take notice of the variety of habitats, ranging from wooded acres and grassy fields, to swamps and streams.
Historic/Cultural Features There are some 18th century homes, school and sawmill sites along the trail.
Camping Point Lookout State Park is the only nearby state facility. Call 1-888-432-2267 for reservations. There are also two private campgrounds within a 15 minute drive.
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 well 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 7.5 mile trail encircles the 250 acre St. Mary's Lake. First time hikers should allow extra time for interesting detours.

Resources Recommended Gear and Safety Tips
  • Small first aid kit
  • Water and a snack
  • Sunscreen
  • Insect repellent
  • Adequate footwear
  • Compass
  • Rainwear
  • Be aware of your skill level and make safety your constant companion