"Patapsco Valley State Park extends along 32 miles of the Patapsco River, encompassing 14,000 acres and five developed recreational areas. Recreational opportunities include hiking, fishing, camping, canoeing, horseback and mountain bike trails, as well as picnicking for individuals or large groups in the park's many popular pavilions. " - http://www.dnr.state.md.us/publiclands/central/patapscovalley.html