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The 'head' of the Thames rises in Gloucestershire - close to he town of Cirencester,
Beaulieu River is a river in the county Hampshire, England. River Bride is a river in Dorset, England. River Brue is a river in Somerset, England.
Great River Race was created in 1988.
the head of a river is the source of the river:)
Thousands, for many years there was a ferry service across the Thames