Basingwerk was originally a Savigniac monastery founded in 1131 under the patronage of Ranulf, Earl of Chester. In 1147 the house became a Cistercian establishment, and in 1240 Dafydd ap Llywelyn gave the monks the church and shrine of St. Winifred at Holywell.
Greenfield Valley Museum and Heritage Park, Holywell, Clwyd, Wales, CH8 7GH
A marvellous 13th century Cistercian abbey in a green, steep-sided valley north of Llangollen. Valle Crucis features a superb west front with a rose window, a virtually intact monk's dormitory with a display of medieval grave sculptures, and a suite of 15th century rooms for the abbot. Llantysilio, Llangollen, Clwyd, Wales, LL20 8DD