Ashton Keynes is a village and civil parish in north Wiltshire, England which borders with Gloucestershire. The village is about 5 miles south of Cirencester and 3.5 miles west of Cricklade. At the 2011 census the population of the parish, which includes the hamlet of North End, was 1,400.The village lies within the Cotswold Water Park and is the only settlement substantially on both sides of the River Thames, which has many channels here, centred 6.5 miles from its source at Thames Head.