Barnard Castle is a market town in Teesdale, County Durham, England. It is named after the castle around which it was built. It is the main settlement in the Teesdale area, and a popular tourist destination. The Bowes Museum's most famous exhibit is the 18th-century Silver Swan automaton, and its artworks include paintings by Goya and El Greco.
Barnard Castle sits on the north bank of the River Tees, opposite Startforth and 21 miles south-west of the county town of Durham. Nearby towns include Bishop Auckland to the north-east, Darlington to the east and Richmond in North Yorkshire to the south-east.
Barnard Castle's largest single employer is GlaxoSmithKline, which has a manufacturing facility on the town outskirts.