Cockfield is a village on the edge of Teesdale, County Durham, England. It is situated 8 miles to the south-west of Bishop Auckland, 15 miles north-west of Darlington and 40 miles south-east of Newcastle-upon-Tyne. Remains found on Cockfield Fell suggest there was a settlement in the area during the Iron Age. The parish church, dedicated to St Mary the Virgin, probably dates from the late 12th century.Coal mining began in the area in the medieval period.