Wales
Pen y Cerrig-serth
522M
1713FT
About Pen y Cerrig-serth
Sitting on the wild, eastern fringes of the Arenig range, this modest summit offers a quiet escape into the heather-clad moorland above the Tryweryn valley. The terrain is characteristically rough and trackless, rewarding those who navigate its peat hags with clear, uncrowded views across to the massive bulk of Arenig Fawr.
Key Statistics
Rank
295th Highest in Wales
Parent Range
Snowdonia
Prominence
?
20m
Nearest Town
Llangwm
Geology
This rugged landscape is built from layers of ancient volcanic ash, hardened silt, and mudstone. These rocks form the sturdy foundation beneath your feet as you hike.
Classifications
Nearby Fells
Find It
OS Grid Reference
SH970429
Latitude
52.9735°N
Longitude
3.5353°W
Did You Know?
- •The name translates from Welsh as 'Top of the Steep Stones.' 'Cerrig' refers to stones or rocks, while 'serth' describes a steep or precipitous gradient, likely a reference to the sudden drop-offs on the hill's northern flanks.
- •It sits on the edge of the Migneint, a vast area of upland blanket bog that is one of the most important conservation sites in Wales, providing a habitat for rare birds such as the hen harrier and merlin.
- •The summit provides a unique perspective on the eastern face of Arenig Fawr, showing off the dramatic scale of its cliffs and the deep gouge of Llyn Arenig-fawr tucked beneath them.
- •In this part of Wales, 'steep stones' are often the only things you can rely on to stay dry while navigating the surrounding, knee-deep peat bogs.