Dunster occupation. These include Bat's Castle and Black Ball Camp on Gallox Hill, Long Wood Enclosure and a similar earthwork on Grabbist Hill. Dunster is mentioned as a manor and Dunster Castle as belonging to William I de Moyon (alias de Moion, also de Mohun) in the 1086 Domesday Book. After the Norman conquest of England in the 11th century, he constructed a timber castle on the site as part of the pacification of Somerset. A stone shell keep was built on the motte by the start of the 12th century, and the castle survived a siege during the early years
Gallox Bridge, Dunster gallows. The narrow bridge is approach via a raised causeway for pedestrians, while wheeled traffic uses the adjacent ford. The bridge crosses the River Avill which rises on the eastern slopes of Dunkery Beacon and flows north through Timberscombe and Dunster flowing into the Bristol Channel at Dunster Beach. It is likely that there was a previous bridge on the same site as in the 14th century it was known as Doddebrigge. The bridge may have been at the limit of the tidal mouth of the river during the medieval period. Dunster Beach, which includes the mouth of the River