Action for the River Kennet is the Rivers Trust for the Kennet Catchment.
The River Kennet is one of England's most important chalk streams. Some 45 miles long, it is the largest tributary of the Thames and in summer months contributes up to half its flow.
It runs through the North Wessex Downs Area of Outstanding Beauty and passes by some of Britain's most important prehistoric sites, including the World Heritage Site of stone circles and avenue at Avebury and Silbury Hill, before flowing through Marlborough, Hungerford, Newbury and Reading, where it joins the River Thames.
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