Gallox Bridge, Dunster of Dunster, with two arches over the River Avill. It has a roadway width of , a total width of and is long. The side of the bridge each have four narrow chamfered ribs. The approach from the village is via a raised causeway. Gallox Bridge, Dunster The Gallox Bridge in Dunster, Somerset, England dates from the 15th century. It has been designated as a Grade I listed building and scheduled monument. The bridge is in the guardianship of English Heritage. The stone packhorse bridge crosses the River Avill at the southern end of the village, below Dunster Castle at
Dunster Priory. 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. 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 by the National Trust but operated as a tourist attraction by a