Black lines outline subwatersheds
A 25-mile trail corridor that will one day connect Patuxent River State Park to Prince George's County.
Trail commemorates the involvement of Montgomery County residents in the Underground Railroad and celebrates the Quaker heritage and traditions of Sandy Spring.
The natural surface trail on the east side of the Northwest Branch stream (The Rachel Carson Greenway Trail) is hiker only. The natural surface trail on the west side of the stream (The Northwest Branch Trail) is open to all users.