A brick built ancillary structure lococated c.100m to the east of Gwylfa Hiraethog Shooting Lodge (NPRN 23045). It is rectangular in plan and contains four cells with entrances to the south. It measures approximately 5m in length by 1.5m wide and up to 1.5m high, though it is partially collapsed. This structure is likely to be the range of four dog kennels and yards described in the 1925 Sales particulars of the Gwylfa Hiraethog Estate (NPRN 409591).

RCAHMW, 7th October 2009