River Yeo, Barnstaple prone to flooding both when in spate, but also from the sea. A plan has been put forward to divert the river through a channel in Pilton Park in Barnstaple to alleviate extreme flooding events. River Yeo, Barnstaple The River Yeo is a tributary of the River Taw in Devon, England, sometimes known as the Barnstaple Yeo, which enters the Taw at Barnstaple. It is one of several rivers of the same name in Devon, including another tributary of the Taw, the Lapford Yeo. The Barnstaple Yeo rises on Berry Down, south of Combe Martin, and flows south through the
Barnstaple Priory recorded in Domesday Book of 1086. It appears that the other virgate within each manor was later granted to Pilton Priory, and Barnstaple's share of Pilland became known as Bradiford. The grant within Pilton included the wood, waters and meadows, with fishing rights on the rivers Taw and Yeo. Also granted was Barnstaple town mill at which the inhabitants were required by their tenure to grind their corn, a valuable source of revenue to the Priory. Also granted to the new priory were the Church of St Peter, Barnstaple, with all its appurtenances, which was the Saxon church in the