Barnard Castle is an historical town in Teesdale, County Durham, England. It is named after the castle around which it grew up. It sits on the north side of The River Tees, opposite Startforth, 42 miles (68 km) south southwest of Newcastle upon Tyne, 38 miles (61 km) south southwest of Sunderland, 30 miles (48 km) west of Middlesbrough and 21 miles (34 km) southwest of the county town of Durham. Other than the castle, the Bowes Museum is also located in the town. Nearby towns include Bishop Auckland north-east, Darlington to the east and Richmond to the south-east.