Wales
Iwerddon
583M
1913FT
About Iwerddon
Tucked away in the undulating moorland of the northern Moelwyns, this 583-metre rise offers a rugged, pathless experience. The terrain is a classic mix of heather and peat hags, rewarding those who navigate the boggy plateaus with a starkly beautiful perspective on the Lledr Valley and the distant Snowdon massif.
Key Statistics
Rank
204th Highest in Wales
Parent Range
Snowdonia
Prominence
?
25.2m
Nearest Town
Blaenau Dolwyddelan
Geology
The ground beneath you is siltstone from the Nant Ffrancon Subgroup, a fine-grained rock formed from ancient layers of compressed silt.
Classifications
Find It
OS Grid Reference
SH688482
Latitude
53.0150°N
Longitude
3.9572°W
Did You Know?
- •The name translates directly from Welsh as 'Ireland'. While the Irish Sea is known as Môr Iwerddon, this inland summit is thought to be named for its expansive, green vistas or perhaps as a historical marker for travelers heading toward the coast.
- •It occupies a strategic position on the high ridge separating Cwm Penamnen from the Llynnau Duwaunedd, acting as a high-altitude stepping stone for walkers moving between Moel Druman and the craggier peaks of Allt-fawr.
- •The summit provides a particularly impressive view of the 'back' of Moel Siabod, revealing the complex rocky architecture of its south-eastern face which is often hidden from the popular ascent paths.
- •Navigating the ground between here and the neighbouring tops provides a definitive education in the 'Moelwyn Mush'—a local condition where the terrain appears to be solid turf until it is suddenly at knee-height on your gaiters.