Tonoloway Creek, also known as Great Tonoloway Creek, is a 31.4-mile-long (50.5 km)tributary stream of the Potomac River in the U.S. states of Maryland and Pennsylvania.
Tonoloway Creek empties into the Potomac River at Hancock, Maryland.
(travelling upstream)
Coordinates: 39°41′48″N 78°9′29″W / 39.69667°N 78.15806°W