1. Ogof Lanciau Eryri

      The cave in North Wales where Arthur's men are said to be awaiting his return.

      A shepherd was thought to have seen him there, but fled when he almost awakened them.

    2. Ogof Myrddin

      A hill near Carmarthen that is more popularly known as Merlin's Hill.

      See also
      Bryn Myrddin | The Legend of King Arthur