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
Queen Elizabeth II Reservoir pumping stations. The solar farm covers 1/10 of the reservoir's surface. Queen Elizabeth II Reservoir The Queen Elizabeth II Reservoir lies to the south of the River Thames and to the west of the Island Barn Reservoir. To the north are the reservoirs of Bessborough and Knight. The A3050 runs to the north of the reservoir and it is situated in Walton on Thames. It is managed by Thames Water. The reservoir was authorised by an Act of Parliament in 1935, but construction was halted on the outbreak of World War II. Work did not begin again until 1957 and,