Yeo Vale (anciently Yeo) is an historic estate in the parish of Alwington in North Devon, England. The grade II listed mansion house known as Yeo Vale House, situated 1 mile east of Alwington Church and 3 miles south-west of Bideford, incorporating a 15th-century gatehouse, was demolished in 1973, having been abandoned as a residence in 1938 and having fallen into a dilapidated state. it was situated in the valley of the River Yeo, a small river flowing into the River Torridge immediately above Bideford. The barton or farmhouse survives, to which was attached the mansion house, together with various out-buildings and stone walls. A private mediaeval chapel was formerly attached to the mansion house and in the early 18th century was demolished and rebuilt as a folly on a hill about 1/4 mile