The River Thames (/ tɛmz / ⓘ TEMZ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At 215 miles (346 km), it is the longest river entirely in …

Jun 17, 2026 · What is the River Thames? The River Thames is the primary river in southern England. Its source is in the Cotswold Hills, and its basin covers about 5,500 square miles (14,250 square km).

Oct 4, 2025 · The River Thames is England’s quiet heartbeat, a steady line of water that links hills, villages, cities, and sea. It runs for about 215 miles, from a spring near Kemble in the Cotswolds all …

The Thames is one of the World's most fascinating and beautiful rivers. From source to sea, its 215 miles flow from springs in Gloucestershire through rural and developed areas to London and on to …

May 14, 2026 · England's longest river stretches 215 miles from a Gloucestershire meadow to the North Sea. Here's what you need to know - facts, history, wildlife and what to do on and along the Thames.

A map of the River Thames displaying locks, winding holes and various services available along the length of the waterway.

Welcome to the essential guide to places to visit, things to do, accommodation and events along the Royal River Thames and Thames Path National Trail, providing great experiences, stretching from …

Starting as a small trickle in the Cotswolds the River Thames travels over 210 miles through the heart of some of England’s most picturesque towns, right into the centre of London and eventually, out into …

The River Thames is a large river in England. It goes through London, the capital city of the United Kingdom. The Thames is 346 kilometres (235 statute miles) long.

Sep 20, 2021 · The River Thames is a 346 km river that flows through southern England, starting from Thames Head in Cotswold Hills, Gloucestershire County. It is the longest river in England and the …