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Greenwell State Park
Southern Shore Region

Historic / Wildlife

Directions & Trail Description

Location: Hollywood, MD. St. Mary’s County.

Length & Configuration: 10+ miles on interconnecting loop trails.

Terrain & Surface: Variety of gentle terrain from open fields to forest to river shoreline.

Technical Difficulty: Easy / moderate.

Elevation change: Mostly level

Caution: Shared use with hikers and equestrians. Watch for patches of loose sand or gravel. Check with the Park for hunting seasons as they change annually.




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Greenwell State Park Trail Map

Note: The free trail maps on this website have been simplified to provide an overview with approximate locations of trails and special features. Read Full Disclaimer.


From Washington, D.C.: (Approx. 1 1/2 hours.) Follow Rt. 4 south/east toward Prince Frederick/Solomons Island. Proceed across the bridge over the Patuxent River into St. Mary's County. At the traffic light, turn right on Rt. 235 north. At the third traffic light, make a right onto Rt. 245 (Slotterley Road). Travel approximately 3 miles and turn right onto Steer Horn Neck Road. Travel 0.8 miles and turn left into the park.

From Baltimore: (Approx. 2 hours.) From the Baltimore Beltway (I-695), take Rt. 97 south (not Business Rt. 3). Continue south until the merge with Rt. 301. Follow Rt. 301 south to Upper Marlboro and take Rt. 4 south to Prince Frederick/Solomons Island. Continue with the above directions


General Description:

Greenwell State Park showcases the Patuxent River, the longest river in Maryland. Canoeing and kayaking provide beautiful views of the extensive shoreline. Mountain bikers, hikers and horseback riders share 10 miles of blazed trails. There are deciduous and pine forests, former farm fields, wetlands, tidal creeks and historic tobacco barns to explore. Swimming is allowed from the two beach areas only and it is at your own risk. There is no lifeguard on duty.

Watch for osprey, blue heron and bald eagles, which thrive due to the plentiful habitat provided by the tidal wetlands of the Chesapeake Bay. Fields are home to mice, moles, groundhogs and rabbits. Forests are habitat for raccoons, fox, white tailed deer, and many birds. Several barns along the trails also provide birds with habitat including owls, swallows and wrens.


The Trails:

Motorized vehicles, including ATV's, are not permitted on any of the trails. The trails provide a combination of easy to moderate riding. If any of the sections get too difficult, just get off and walk these sections. Horses and hikers are also use these trails. Ruts may be found on steeper trails. Watch for patches of loose sand and gravel. Greenwell is a trash free park, which requires users to carry out everything they carry in.


Blue Trail: (2.1 miles)

Visitors travel along a grassy path which loops around the edge of open crop fields and occasionally ducks into the forest buffering the fields from the water’s edge. Through the trees, you may occasionally see Hog Neck Creek and Quarter Creek, secluded tidal creeks offering wildlife viewing opportunities. Keep on the lookout for white tailed deer.


Red Trail: (1.6 miles)

This trail meanders through pine and deciduous forest. While resting at the bench along Hog Neck Creek, watch the water’s surface for beavers, otters and muskrats.


Yellow Trail: (1.6 miles)

Enjoy the views of a large grassy field that is home to field mice, moles, woodchucks and rabbits. The Patuxent River Air Modelers use a small portion of the field. While traveling along the open areas of the trail, you may see model aircraft acrobatics and even stop to rest under the club’s shelter.


White Trail: (1.6 miles)

On a hot day, this is a cool ride as it's mostly shaded by a hardwood forest. You will find a variety of vegetation such as American beech, red oak, spicebush, mountain laurel and many types of native grasses. Watch for wildlife that make their homes in and around the water. The trail requires that bikers cross Steer Horn Neck Road.


Brown Trail: (1.3 miles) Easy

This trail wanders along fields, forest edges and the Patuxent River shoreline. It offers scenic overlook sites, as well as access to a beach and pavilion.


Green Trail: (1.3 miles) Easy

Winding through crop fields and woods, this trail offers many side spurs allowing for views of a tidal pond, which hosts a large variety of wildlife.


Note: Some trails are closed during hunting season - check with the Park before riding.



Historical Note:

Rosedale Manor

A focal point of the park is Rosedale Manor, circa 1880, which is situated on the shoreline of the Patuxent River. It features a beautiful Victorian-style rose garden, family chapel and spectacular view of the river. Behind the house a pier reaches into the Patuxent River providing an excellent spot to relax and enjoy the river view.


Historic Barn Trail (0.15 miles - moderate)

Take the time after your ride to take a short walk along the Historic Barn Trail. The historic barns seen on this trail are labeled with interpretive signs and contain artifacts of the farms past. One barn is the oldest of it's type in tidewater Maryland.



For more information:

Greenwell State Park
25420 Rosedale Manor Lane
Hollywood MD 20636

Phone: (301) 373-2320
TDD: (410) 974-3683
Website: Greenwell State Park


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