The Ceiriog Valley (Welsh: Dyffryn Ceiriog) is the valley of the River Ceiriog in north-east Wales. Its Welsh name, "Dyffryn Ceiriog", is the name of an electoral ward of Wrexham County Borough. The ward is the largest ward of the county borough by area and forms a strikingly-shaped salient of the county borough between Powys and Denbighshire.
The valley forms part of the traditional county of Denbighshire, and between 1974 and 1996 was part of the short-lived county of Clwyd. Part of the lower end of the valley extends into Shropshire, England. The Ceiriog Valley is 20km (10miles) long and runs generally west to east, south of the Vale of Llangollen. It is something of a dead end, with the B4500 road terminating at Llanarmon Dyffryn Ceiriog, a village near the head of the valley.
The 8.25miles-long, -gauge Glyn Valley Tramway used to run through some of the valley; it served various quarries and provided a passenger service between Chirk and Glyn Ceiriog.
The valley receives relatively few visitors, despite being only a few miles from the A5 road. It was described by British Prime Minister David Lloyd George as "a little bit of heaven on earth".[1]
The Ceiriog Valley is divided into three communities: from west to east, Ceiriog Ucha ("Upper Ceiriog"), Llansantffraid Glyn Ceiriog, and Glyntraian. The largest village in the Ceiriog Valley is Glyn Ceiriog (also known as Llansantffraid Glyn Ceiriog). Villages and hamlets in the Ceiriog Valley include:
Three notable Welsh poets have connections with the Ceiriog Valley:
The Ceiriog Memorial Institute in the village of Glyn Ceiriog was built as a memorial to them all, and contains stained glass windows dedicated to each of their memories.
The Welsh-language novelist Islwyn Ffowc Elis was born in Wrexham, but spent most of his formative childhood years on a hill farm in the Ceiriog Valley.