Post Office Lake   Be the first to submit input for Post Office Lake. If you have info on Post Office Lake, Charles County, Maryland please submit it here to improve this web site.          These outdoors activities are available near Post Office Lake.   Lakes Near Post Office Lake: Gilbert Run Lake, Charles County, 7 miles away   Public Lands Near Post Office Lake: Cedarville State Forest, Maryland, 7 miles away Chapel Point State Park, Maryland, 11 miles away Rosaryville State Park, Maryland, 12 miles away Fort Washington Park, Fort Washington - MD, 10 miles away Greenbelt Park, Greenbelt - MD, 21 miles away Glen Echo Park, McLean - VA, 25 miles away   Marinas On or Near Post Office Lake: Tantallon Marina, Fort Washington, 11 miles away National Harbor Marina, Oxon Hill, 13 miles away Aqua Land Campgrounds & Marina, Newburg, 14 miles away Herrington Harbour Marinas, Upper Marlboro, 15 miles away Washington Sailing Marina, Alexandria, 16 miles away   Camp Grounds Near Post Office Lake: Cedarville State Park, Brandywine, 5 miles away   Hotels Near Post Office Lake: Courtyard Waldorf, Waldorf, 1 miles away Super 8 Waldorf, Waldorf, 2 miles away Clarion Inn Waldorf, Waldorf, 2 miles away La Quinta Inn Waldorf, Waldorf, 2 miles away Residence Inn Waldorf, Waldorf, 2 miles away   Ski Areas Near Post Office Lake: Ski Liberty, Pennsylvania, 71 miles away       620 foot drop, 8 lifts, 16 runs Ski Roundtop, Pennsylvania, 81 miles away       600 foot drop, 11 lifts, 15 runs   Whitewater Near Post Office Lake: Anacostia River, Prince GeorgesCounty, 19 miles away       Class I - 10 miles long (Highway 3 to Potomac)