Fells/Mynydd Llangynidr
Wales

Mynydd Llangynidr

558M
1829FT
Rank
331st Highest in Wales
Parent Range
Brecon Beacons
Nearest Town
Trefil

About Mynydd Llangynidr

Mynydd Llangynidr is a sprawling limestone plateau that’s less of a 'mountain' and more of a very high, very drafty table. Straddling the border of Powys, it offers sweeping Usk Valley views and the unique charm of staring directly into a nearby industrial estate. It's wonderfully bleak.

Key Statistics

Rank
331st Highest in Wales
Parent Range
Brecon Beacons
Nearest Town
Trefil
Prominence
?
102.5m
Geology
Ordovician Volcanics
Nearby Fells
Blaen OnneuTwyn Ceilog [Twyn Ceiliog]Cefn yr Ystrad

Did You Know?

  • The mountain is a significant site for limestone pavement and karst features, hiding a labyrinth of cave systems beneath its deceptively flat surface.
  • It serves as a dramatic boundary between the rural peace of the Usk Valley and the industrial grit of the northern Ebbw and Sirhowy valleys.
  • The official summit, Garn Fawr, sits at 557 metres, though the nearby trig point at 551 metres often lures confused hikers into thinking they’ve reached the top.
  • Despite its wild appearance, the plateau's southern edge is defined by the sharp, geometric lines of the Rassau Industrial Estate, making for a surreal juxtaposition.
  • Hiking here is essentially a game of 'Is that a cairn or just a very optimistic sheep?'; the plateau is so featureless that even the GPS might start sounding unconvinced.

Find It

OS Grid Reference
SO123151
Latitude
51.8276°N
Longitude
3.2740°W

Explore Further

Wales Guide
Editorial guide for this region
TrailTrack map showing the location of Mynydd Llangynidr
TrailTrack location
SO123151

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