This category is for websites exclusively about the village of Glyn Ceiriog and the Ceiriog valley within the
county borough of Wrexham, as the Ceiriog flows from the hill-top west boundary at Cadair (784 m)
through the village of Llanarmon (Dyffryn Ceiriog), and along the B4500 on its north bank
through Tregeirog (Foel Rhiwlas), Pandy, Dolywern, and Pontadog, to Chirk.