The River Thames, known alternatively in parts as the River Isis, is a river that flows through southern England including London. At 215 miles, it is the longest river entirely in England and the second-longest in the United Kingdom, after the River Severn.
Etymology: Proto-Celtic *tamēssa, possibly meaning "dark"
AdOur Private Tours Offer Exclusive Access, with Travel via One of Our Luxury Coaches. Take Our River Cruise around London Passing Historic Sites Such as the Tower of London.
Types: Open Top Bus Tour, River Cruise, Harry Potter Tour, Rock 'n' Roll Tour