Milecastle 53 (Banks Burn) was a milecastle on Hadrian’s Wall. The fortification is west of the small hamlet of Banks, in Cumbria and northeast of Lanercost Priory Abbey. The next mile fort, No. 54, is 1,436 m to the east. The fort was examined in 1932, its dimensions were 21.9 m (east-west) × 23.3 m (north-south). It belongs to the long axis type III. In the same year traces of the peat wall were found inside.