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
Isinglass River Isinglass River The Isinglass River is a river in Strafford County in southeastern New Hampshire, United States. It rises at Bow Lake in the town of Strafford, but is also fed through its tributaries by Ayer's, Nippo, Round and Long ponds in Barrington. The Isinglass flows east to meet the Cochecho River below Rochester. The river is part of the Piscataqua River watershed. In "History of the Town of Rochester, N.H.," published 1892, author Franklin McDuffee remarks that the Isinglass River is "probably named from the mica in its bed or along its banks." Isinglass is a synonym for mica,