Flag Ponds Nature Park is located on the western shore in Maryland.From Washington's Capital Beltway (I-95): Take Route 4 South into Calvert County.
From the Baltimore Beltway (I-695): Take Route 301 South to Route 4.
From Virginia: Take US Route 301 across the Potomac to Maryland Route 5 in Waldorf. Turn right on 5 and travel about 10 miles to Route 231. Turn left, follow 231 across the Patuxent River to Prince Frederick and turn right on MD Route 4.
From Route 4:Just 10 miles south of Prince Frederick, look for the sign and turn left into the Nature Park.