Dunster Working Watermill Dunster Working Watermill Dunster Working Watermill (also known as Castle Mill) is a restored 18th century watermill, situated on the River Avill, close to Gallox Bridge, in the grounds of Dunster Castle in Dunster, Somerset, England. It is a Grade II* listed building. The mill stands on a site where a mill was first recorded in the Domesday Book, but the present building was constructed around 1780. It closed in 1962 but was restored in 1979 and is still used to grind flour. The equipment is powered by two overshot wheels. It is owned and run by the National Trust.
Gallox Bridge, Dunster to pay for the construction of the tower of the Priory Church of St George and provide other amenities. The name Gallox is believed to be derived from gallows as the village gallows were nearby, when it was called Gallocksbrigge. The bridge is close to Dunster Working Watermill and the base of the hill on which Dunster Castle sits and provides access to the site of the Deer park. It also falls within the Dunster Conservation Area. It has been in the guardianship of English Heritage since the 1950s. It is a narrow stone packhorse bridge, on the southern outskirts