Current list of trails:

• Bull Run / Occoquan Trail, Centreville to Occoquan, VA
• Burke Lake Regional Park, Burke, VA
• Colvin Run, Reston, VA / Vienna, VA
• Cub Run, Centreville, VA
• Difficult Run / Tamarack Park, Vienna, VA
• Glade / Fox Mill, Reston, VA
• Great Falls National Park, Great Falls, VA
• Little Difficult Run Stream Valley Park, Herndon, VA
• Manassas Battlefield National Park, Manassas, VA
• Mason Neck State Park, Mason Neck, VA
• Potomac Heritage Trail, Arlington, VA
• Riverbend County Park, Great Falls, VA
• Rocky Run East, Centreville, VA
• Rocky Run West, Centreville, VA
• Twin Branches Nature Trail, Reston, VA
• W&OD Trail, Purcellville to Arlington, VA