Potomac River, Maryland Montgomery county, Violette's Lock - GW Canal Loop section road map. <<< Back to Potomac River main page MAP LEGEND: Blue Dot = Put In, Red Dot = Take Out (Above map supplied by Wanan W., copyright ©.) Putin Location GPS Coordinates: Latitude: 39.06679 Longitude: -77.3287 Takeout Location GPS Coordinates: Latitude: 39.0521 Longitude: -77.3083 HIGH QUALITY TOPO MAP, CLICK HERE Hotels near Potomac River, Maryland: Hawthorn Suites By Wyndham Sterling Dulles, Sterling 5.6 miles away Hampton Inn Dulles-Cascades, Sterling 5.7 miles away Hyatt Regency Reston, Reston 6 miles away Comfort Inn Washington Dulles International, Herndon 6.1 miles away ExecuStay Metrpoltn Restn TnCt, Reston 6.1 miles away Residence Inn Herndon Reston, Herndon 6.2 miles away Hyatt Place Sterling/Dulles Airport-North, Sterling 6.3 miles away Fairfield Inn & Suites Dulles Airport Herndon/Reston, Herndon 6.4 miles away The Westin Reston Heights, Reston 6.4 miles away Sheraton Reston Hotel, Reston 6.4 miles away Hampton Inn - Suites Herndon-Reston, Herndon 6.6 miles away SpringHill Suites Herndon Reston, Herndon 6.6 miles away Hyatt House Herndon/Reston, Herndon 6.8 miles away Courtyard Herndon Reston, Herndon 7 miles away Courtyard Dulles Town Center, Dulles 7.5 miles away Fairfield Inn & Suites Germantown Gaithersburg, Germantown 7.8 miles away * Distances listed are direct linear distances, actual travel distance may be different.