Geography of Kent and Dungeness have been formed by accumulation of alluvium. Kent's principal river, the River Medway, rises near Edenbridge and flows some 25 miles (40 km) eastwards to a point near Maidstone, when it turns north. Here it breaks through the North Downs at Rochester before joining the River Thames as its final tributary near Sheerness. The river is tidal as far as Allington lock, but in earlier times cargo-carrying vessels reached as far upstream as Tonbridge. The Medway has captured the head waters of other rivers such as the River Darent. There are other rivers in Kent, most notably the
Mud River (Kentucky) Mud River (Kentucky) The Mud River is a tributary of the Green River in western Kentucky in the United States. Via the Green and Ohio rivers, it is part of the Mississippi River watershed. It is about long. The Mud rises about east of Russellville and flows generally northward, through Logan County and forming the border between Muhlenberg and Butler counties. It joins the Green River at the town of Rochester. The Mud River was home to the Browning Mill Pond. A grist mill there was powered by the flow of the river. The site is located about northeast of