The Clwydian Range and Dee Valley (Welsh: Bryniau Clwyd a Dyffryn Dyfrdwy) is a designated Area of Outstanding Natural Beauty (AONB; also known as a National Landscape) located in north-east Wales, covering the Clwydian Range (Welsh: Bryniau Clwyd), and the valley of the River Dee (Welsh: Afon Dyfrdwy).
