Bretherdale is the valley of Bretherdale Beck in the Eden district of Cumbria, located near Tebay, about 8 miles north-east of Kendal and 16 miles south of Penrith. It is a distributed settlement along the valley, with Bretherdale Head towards the west and Bretherdale Hall towards the east. Bretherdale forms part of Orton Civil Parish.
BRETHERDALE, a township, in the parish of Orton, East ward and union, county of Westmorland, 3 miles (S.W.) from Orton; containing 82 inhabitants. The manor belonged to Byland Abbey, Yorkshire, but at the Dissolution was purchased by the family of Wharton, and is now the property of the Earl of Lonsdale. A rent-charge of £22. 9. 10. has been awarded as a commutation for the vicarial tithes; the rectorial were purchased by the landowners in 1618.