Wednesday, 24 November 2021

Royal Commission on the Ancient and Historical Monuments of Wales




This week’s Monument of the Week is the 4-storey Trevor Mill, near Llangollen, recorded as being built in 1848 as a water-powered corn mill, probably over an earlier mill and reusing stones from that mill. The cast-iron overshot waterwheel, reported to be the largest in North Wales, is 32 feet in diameter.
Situated on the River Dee, the mill was fed by a fast-flowing tributary which flowed into a dammed mill pond with channels to and from the waterwheel. This millpond was re-sited when the Llangollen canal was built through the old one during 1804–1808 and was probably designed by Thomas Telford and Thomas Denson, the canal engineers.
Flour from the mill was transported up the hill and loaded onto barges at Plas-yn-y-pentre Bridge also known as Millars Bridge, bridge number 34 on the Llangollen canal.
Trevor Mill closed in 1947 after nearly 100 years in operation. The mill is now a private residence.
See our site record here:

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