Caer Doren, “the city on the water.”
Caer Doren is an ancient British city that is now called Dorchester. The name Caer Doren translates to "the city on the water".
The River Thames is the longest river in England and the second longest in the UK. It is about 215 miles long and flows from the Cotswolds through London and out into the North Sea. The Thames is considered to be the cleanest river in the world that flows through a major city.
The Thames has many tributaries, including the Coln, Churn, Evenlode, Kennet, Lea, Leach, Loddon, Ock, and Windrush.

