Cairn, or Carneddau, [57], [58].

Caisars, [7].

Calan Hen, [68].

Calenig, [63].

Canna’s Well, [302].

Cantref y Gwaelod, [321].

Cân y Gwahoddwr, [21].

Capel Cynon, [57].

Capel Evan, [35].

Careg Cenen, [302].