Allegheny River depth map (nautical chart)The marine chart shows water depth and hydrology on an interactive map. The source of the Allegheny River is located Allegany Township near Coudersport, Pennsylvania. The mouth of is the Ohio River at Pittsburgh. The depth map covers water space from the Ohio River to East Brady, Pennsylvania.
New York, Pennsylvania
325 miles (523 km)
11,580 square miles (30,000 km2)