Georges Creek has its headwaters near Frostburg, Maryland and empties into the Potomac River at Westernport, Maryland all in western Allegany County, Maryland. The headwaters of a river are small streams that create it. ... Frostburg is a city located in Allegany County, Maryland. ... Upper part of the Potomac River The Potomac River flows into Chesapeake Bay, located along the mid-Atlantic coast of the United States (USA). ... Westernport is a town located in Allegany County, Maryland. ... Allegany County is a county located in the western portion of the U.S. state of Maryland. ...