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 Avill, is now located approximately from the village, and used to have a significant harbour, known as Dunster Haven, which was used for the export of wool from Saxon times; however, it was last used in the 17th century and has now disappeared among the dykes, meadows and marshes near the shore. Dunster had become a centre for woollen and clothing production by the 13th century, with the market dating back to at least 1222, and a particular kind of kersey or broadcloth became known as 'Dunsters'. The prosperity of Dunster was based on the wool trade, with profits helping