Tags: Mountain Range.
Mynydd Hiraethog (also known as the Denbigh Moors) is an upland region in Conwy and Denbighshire in north-east Wales. It includes the large reservoirs Llyn Brenig and Llyn Alwen and the Clocaenog Forest which has one of Wales’s last populations of red squirrels. Its highest point is Mwdwl-eithin at 532 metres (1745 ft) above sea level making it higher than Exmoor. Moel Seisiog is another 468m (1535ft) summit which is also the source of the River Elwy (53°05′N 3°42′W).