Turret 6B (Benwell Hill) was discovered by Robert Shafto in 1751, during construction of the Military Road, Shafto stated that it was approximately 4 yards (3.7 m) square.[3] It was positioned at a point 308 yards (282 m) west of the western rampart of Condercum.[2][4] This places it somewhere near to the modern road of Two Ball Lonnen. All surface trace of the turret had been obliterated by modern development by 1968.[4]
Location: 54.978391°N 1.668827°W