Dunster Dunster Dunster is a village, civil parish and former manor within the English county of Somerset, today just within the north-eastern boundary of the Exmoor National Park. It lies on the Bristol Channel coast south-southeast of Minehead and northwest of Taunton. The United Kingdom Census of 2011 recorded a parish population of 817. Iron Age hillforts testify to occupation of the area for thousands of years. The village grew up around Dunster Castle which was built on the Tor by the Norman warrior William I de Moyon (d. post 1090) shortly after the Norman Conquest of 1066. The Castle is
Dunster Castle during the early 12th century, probably forming a shell keep around the top of the motte. In the late 1130s England began to descend into a period of civil war known as the Anarchy, during which the supporters of King Stephen fought with those of the Empress Matilda for control of the kingdom. William de Mohun's eldest son, also called William, was a noted supporter of Matilda, and Dunster was considered one of her faction's strongest castles in the south-west. In 1138 forces loyal to Stephen besieged the castle; a siege castle was built nearby, but all trace of it