Small sub rectangular pen, 3 m by 5 m in size. Dry stone walling surviving to a height of 0.75 m. Built on top of western bank of round house (NPRN 500758). Methodology: 30 m transect survey. Positional accuracy: less than 10 m. Tolerance of accuracy: +/- 5m. K.Laws, EAS Ltd, 4/07/2007.