A rectangular enclosure measuring 30m south-west/north-east by 25m north-west/south-east, this feature is located on a very steep slope and has an entrance on its east side about 10m up from the corner. There are no internal features visible. The walls, which have been levelled in places, survive to heights of up to 1.1m and include a short section of coping. Noted during an upland survey conducted by Archaeophysica during 2005-6