Mullyash Mountain

Mullyash Mountain is situated in the eastern region of Co. Monaghan. Many of the streams in this upland area are drained by the low-lying lake areas of Castleblaney. Large areas of solid coniferous forestry extend up the slopes of Mullyash. The surrounding drumlins are steep-sided and have a north-west to south-east orientation, giving an indication of the direction of the ice flow during the last Ice Age.

At the summit of Mullyash, a cairn dating back to 4,000 BC represents evidence of human settlement in the area. There is a clear view of Mullyash Mountain from most of the megalithic monuments in east Monaghan, which indicates the importance of this particular cairn. Even into the 20^th century many people used to visit it on the last Sunday in July, a tradition stretching back to the ancient Lughnasa celebration. The traditional route was to approach the site from the south-west, but this route was lost when the area was afforested.