Parchmarks at Llangynfelin island, Cors Fochno, Dyfi National Nature Reserve. Visible from aerial photogrpahy by RCAHMW 4 July 2006.

Claire Parry, RCAHMW, 7 January 2011.

The same parchmarks were recorded during drought conditions on 4th July 2018, but nothing archaeological was evident in the markings

Toby Driver, RCAHMW, November 2024