Craig yr Aderyn, also known as Bird's Rock, is a hill rising to a height of 258 metres above sea level on the south bank of the River Dysynni near Llanfihangel-y-Pennant in the county of Gwynedd, north-west Wales.
Craig yr Aderyn, also known as Bird's Rock, is a hill rising to a height of 258 metres above sea level on the south bank of the River Dysynni near Llanfihangel-y-Pennant in the county of Gwynedd, north-west Wales.