Location
Barbury Castle is at grid reference SU149762, about 5 miles (8 km) south of Swindon and the M4, on the northern edge of the Marlborough Downs within the North Wessex Downs Area of Outstanding Natural Beauty. Other than a couple of nearby farms, there is no current settlement near the site.
By road the site can only approached by a single road ascending the scarp slope of the downs from midway along the B4005 between Wroughton and Chiseldon. More options are available by foot or horseback, including the Ridgeway, which runs east – west along the edge of the downs, and a byway south across the downs to Marlborough.
Nearby towns and cities: Swindon, Marlborough
Nearby villages: Wroughton, Chiseldon
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