Colwyn, [136-7].

Conan Meiriadog, [149-51].

Conger eel, [263].

Conway, [96], [125-30].

Cormac MacAirt, [4].

Corwen, [195].

Criccieth, [107], [111].

Cromlech, [3].

Cuneglas, [280], [304].

Cursing well, [136-7].