River Thames Thames Estuary), the river is subject to tidal activity from the North Sea. Before the lock was installed, the river was tidal as far as Staines, about upstream. London, capital of Roman Britain, was established on two hills, now known as Cornhill and Ludgate Hill. These provided a firm base for a trading centre at the lowest possible point on the Thames. A river crossing was built at the site of London Bridge. London Bridge is now used as the basis for published tide tables giving the times of high tide. High tide reaches Putney about 30 minutes later than
Thames River (Connecticut) Thames River (Connecticut) The Thames River () is a short river and tidal estuary in the state of Connecticut. It flows south for through eastern Connecticut from the junction of the Yantic River and Shetucket River at Norwich, Connecticut, to New London and Groton, Connecticut which flank its mouth at Long Island Sound. The Thames River watershed includes a number of smaller basins and the 80-mile-long Quinebaug River, which rises in southern Massachusetts and joins the Shetucket River about four miles northeast of Norwich. The river has provided important harbors since the mid-17th century. It was originally known as the