1. (Curious modern structure). Building of 4 quadrants - almost circular. In the centre is fairly square block. Int. cham. of circ. circa 14 ft, and sides of square block 6 ft. 5 in. x 6 ft. 4 in. x 6 ft. 10 in. x 6 ft. 7 in. Other features nearby.

2. Depicted on the Second Edition Ordnance Survey 25-inch map of Caernarvonshire VII, sheet 12 (1900). C.H. Nicholas, RCAHMW, 9th August 2006.