River Medway River Medway The River Medway is a river in South East England. It rises in the High Weald, Sussex and flows through Tonbridge, Maidstone and the Medway conurbation in Kent, before emptying into the Thames Estuary near Sheerness, a total distance of . About of the river lies in Sussex, with the remainder being in Kent. It has a catchment area of , the second largest in southern England after the Thames. The map opposite shows only the major tributaries: a more detailed map shows the extensive network of smaller streams feeding into the main river. Those tributaries rise from
Genesee River Genesee River The Genesee River is a tributary of Lake Ontario flowing northward through the Twin Tiers of Pennsylvania and New York in the United States. The river provided the original power for the Rochester area's 19th century mills and still provides hydroelectric power for downtown Rochester. The Genesee is the remaining western branch of a preglacial system, with rock layers tilted an average of 40 feet (12 m) per mile, so the river flows across progressively older bedrock as it flows northward. It begins in exposing the Allegheny Plateau's characteristic conglomerates: sandstones and shales in the of the Mississippian