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
East Rochester, Ohio Rochester, Ohio. A post office called East Rochester has been in operation since 1840. East Rochester is located along U.S. Route 30, northwest of East Liverpool and east of Canton. The nearest incorporated community is Minerva, to the west. According to the U.S. Census Bureau, the East Rochester CDP has an area of . It is in the valley of Sandy Creek, which flows west to the Tuscarawas River, a tributary of the Ohio River. East Rochester, Ohio East Rochester is an unincorporated community and census-designated place (CDP) in southern West Township, Columbiana County, Ohio, United States. As of the