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
Newbridge, River Thames Newbridge, River Thames New Bridge is a 13th-century bridge carrying the A415 road over the River Thames in Oxfordshire, between Abingdon and Witney, close to the Thames' confluence with the River Windrush. It is one of the two oldest surviving bridges across the Thames, part Grade I and part Grade II*-listed. The bridge is in a rural setting, with a public house at either end: the Maybush Eco Inn on the south bank and the Rose Revived on the other. The bridge consists of two spans, where the northern span crosses the river and the southern span, south of the