The beudy near Hafod-y-Rhisgl is a large building measuring 18ft by 45ft, with 4ft thick rubble walls. It has two small square openings to the west and four to the east, the doorway at the south end is 5ft high with two massive boulders at the bottom of the jambs.
Source: notes by C.H. Houlder, 1953. Caerns Parish Files
RCAHMW 2008.