Gaer Penrhôs is the site of an Iron Age Fort that encircled a hill top above the junction of Afon Wyre Fawr and Afon Wyre Fach with commanding views. Within the hill fort our the outlines of where the castle built around the mid twelfth century, once stood. The site is off the B4337 close to and east of Llhanrhystud which is a coastal village on the A487 in Ceredigion, Cymru.
Links: Llanrhystud Online.and Coflein Caer Perhos.
Link and Image: Ceredigion Historical Society - Caer Penrhos Llanrhystud and image courtesy of their website.