A long hut measuring 23 ft. (approx. 7.01m.) from east to west and 12 ft. (approx. 3.66m) wide. Its walls 2 ft. 6 in. (approx. 0.76m) thick and up to 2 ft. 6 in. (approx. 0.76m) high at their highest point at the east end of the building. They are built of course stones faced with large boulders above which is dry walling of large stones. Old field walls abut onto the hut's north and south sides, and there is a small rectangular structure built of very large stones and measuring 12 ft.(approx. 3.66m) long on its east side.
(Source: Inventory of the Ancient Monuments in Caernarvonshire, vol. III (RCAHMW: 1964))

A.N. Coward 13.02.2018