Wales
Garreg-hir
485M
1591FT
About Garreg-hir
Rising to 485 metres in the quiet heart of Central Wales, this Marilyn offers a rugged, off-the-beaten-track experience. Characterised by grassy moorland and peat hags, the summit provides the deep isolation typical of the Cambrian Mountains, rewarding hikers with clear perspectives across the wild, undulating plateau.
Key Statistics
Rank
197th Highest in Wales
Parent Range
Central Wales
Prominence
?
150.7m
Nearest Town
Clatter
Geology
You’re walking on the Penstrowed Grits, a firm foundation of layered sandstone and mudstone that shapes this rugged fell.
Find It
OS Grid Reference
SN998979
Latitude
52.5697°N
Longitude
3.4798°W
Did You Know?
- •The name is derived from the Welsh words garreg (stone) and hir (long), translating literally as 'Long Stone.' This typically denotes the presence of a standing stone or a particularly elongated rocky outcrop.
- •It is situated in the vast, sparsely populated uplands often called the 'Desert of Wales,' positioned in the wild landscape between the Elan Valley and Llanidloes.
- •On a clear day, the summit offers an unobstructed view of the higher Pumlumon massif to the north and the rounded, high-plateau tops of Drygarn Fawr to the south.
- •As a Marilyn, Garreg-hir possesses at least 150 metres of prominence, making it a significant topographical landmark in this specific stretch of the Cambrian range despite its sub-500m elevation.