Located at Cwm Brwynog is a large settlement which is probably the surviving remains of the hafodai called "Combroinok? in the 1352 record of Caernarfon. The site comprises of the stone foundations of nine rectangular long huts, a rectangular house platform and a square shelter or pen. Oxford Archaeology North were unable to visit the site during an Upland Survey in 2008 because access to the site was not possible at the time.

Source: Jones, S, and Thompson, D, 1997 Deserted Rural Settlement in Western Caernarvonshire, G1313 Rep No. 247. HER (PRN 4044).
Cadw scheduling reference number CN315

RCAHMW, June 2009