TrailTrack
Waun Fach
Wales

Waun Fach

811M
2661FT

About Waun Fach

Rising as the highest point in the Black Mountains, this broad, peat-topped whaleback offers an understated but commanding summit. Once infamous for its deep bogs, stone pitching now provides a reliable path across the plateau. From the trig point, you look across to the Brecon Beacons and the deep Vale of Ewyas.

Key Statistics

Rank
4th Highest in Wales
Parent Range
Brecon Beacons
Prominence
?
622m
Nearest Town
Powys
Geology
The ground beneath you is the Brownstones Formation, featuring layers of sturdy sandstone mixed with softer, clay-like rocks.

Find It

OS Grid Reference
SO215299
Latitude
51.9620°N
Longitude
3.1439°W

Did You Know?

  • The name translates from Welsh as 'Small Moorland.' It is a humble title for the highest peak in the range, likely describing the character of the grassy summit plateau rather than its 811-metre stature.
  • The plateau is composed of Old Red Sandstone, a geology that defines the Black Mountains' long, finger-like ridges and the deep, parallel valleys of the Grwyne Fawr and the Vale of Ewyas.
  • To the west, the summit offers a clear perspective of the Brecon Beacons’ 'Central Peaks,' with the steep northern escarpments of Pen y Fan and Cribyn clearly visible across the Usk Valley.
  • The northern approach often incorporates the 'Dragon’s Back,' a series of grassy mounds leading up from the village of Pengenffordd, passing the remains of the 12th-century Castell Dinas.
  • For decades, the summit was notorious for 'bottomless' peat hags; the installation of stone sleepers has since saved many a walker from the indignity of a waist-deep immersion in the moor.

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3D Flyover

Experience a virtual tour of Waun Fach with our interactive 3D terrain map.