"A parish in the Union and hundred of Ruthin, county of Denbigh, 5 miles (E) from Denbigh, containing 264 inhabitants. ..... The surrounding scenery is beautifully picturesque, and the views from the higher grounds over the fertile and extensive Vale of Clwyd are rich and magnificent. The surface is finely undulated, and the lands, with the exception of the mountainous part of the parish, are enclosed and in a good state of cultivation."
[ A Topographical Dictionary of Wales, 1833 & 1849, Samuel Lewis]
The parish of Llangwyfan is quite small, and is almost entirely surrounded by the parish of Llandyrnog.
It contains the townships of Cefnygwrdy, Gales, Llan, and Coediog (or Ceidio, or Ceidiog).