Puneet Varma

Craig yr Aderyn

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OS grid reference  SH647066
Country  Wales
Police  North Wales
Ceremonial county  Gwynedd
Principal area  Gwynedd
Sovereign state  United Kingdom
Fire  North Wales
Craig yr Aderyn craig yr aderyn
Similar  Castell y Bere, Rhobell Fawr, Foel Penolau, Tal‑y‑llyn Lake, Dolgoch railway station

Quadcopter aerial footage of craig yr aderyn near bryncrug

Craig yr Aderyn (English: "Bird's Rock") is a hill rising to a height of 258 metres (846 ft) 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 has been designated as a Site of Special Scientific Interest because of the choughs and other birds that breed there.


Craig yr Aderyn Eryri Snowdonia

Craig yr aderyn

The hillfort

Craig yr Aderyn Craig Yr Aderyn Birds rock Hillfort The Megalithic Portal and

Craig yr Aderyn is the site of an Iron Age hillfort, showing two phases of construction. The earlier phase comprises an upper fort enclosure of approximately 0.6 hectares, measuring 100 by 55 metres; the latter, a stone-walled enclosure of approximately 1.6 hectares, measuring 119 by 170 metres. The site has been excavated three times: in 1874, 1921 and 1967. Finds from the Roman period were discovered during the 1874 dig.

The hill

Craig yr Aderyn Visit Snowdonia Craig yr Aderyn

Craig yr Aderyn is an isolated hill in the county of Gwynedd, that juts out into the Dysynni Valley. It rises to a height of 258 metres (846 ft) above sea level on the south bank of the River Dysynni, near Llanfihangel-y-Pennant. The summit is rocky and the lower slopes are clad in tussocky grassland, heather and bracken. The two prominent faces of the hill are known locally as 'Y Palis Mawr' and 'Y Palis Bach' (English: the large stockade and the small stockade).

Craig yr Aderyn httpsuploadwikimediaorgwikipediacommonsthu

The site is owned by the Snowdonia National Park Authority, lies entirely within the Craig yr Aderyn SSSI, and is named after the large number of birds, such as the Chough (Pyrrhocorax pyrrhocorax), that roost and nest on the peak. It is 2 miles (3.2 km) from the Cardigan Bay coast. The hill is used by a number of species of bird for breeding. The largest inland breeding site for cormorants in Wales is here. Other birds nesting here include the barn owl, little owl, peregrine falcon, redstart, wheatear and common linnet.

The ruins of Castell y Bere, built by the Princes of Gwynedd in the 13th century, are nearby.

Cultural associations

Craig yr Aderyn Craig yr Aderyn Wicipedia

The writer Susan Cooper leads her characters to "Bird Rock" in her book The Grey King from the The Dark Is Rising Sequence.

The naturalist and scientist Charles Darwin visited this site as a student at Cambridge. He apparently shot seabirds here, according to recollections of a friend, John Maurice Herbert.


Craig yr Aderyn Wikipedia

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Castell y Bere
Dolgoch railway station
Foel Penolau