TrailTrack
Mynydd Ynyscorrwg
Wales

Mynydd Ynyscorrwg

502M
1647FT

About Mynydd Ynyscorrwg

Rising above the former coal-mining village of Glyncorrwg, this 502m plateau offers a stark, breezy perspective on the South Wales Valleys. It’s a landscape where industrial heritage meets modern renewable energy, providing expansive views that are occasionally interrupted by the majestic, rotating blades of massive wind turbines.

Key Statistics

Rank
571st Highest in Wales
Parent Range
Brecon Beacons
Prominence
?
41m
Nearest Town
Porlock
Geology
Ordovician Volcanics
Classifications

Find It

OS Grid Reference
SS887979
Latitude
51.6688°N
Longitude
3.6108°W

Did You Know?

  • The hill is a prominent part of the Pennant Sandstone plateau, a geology that defines much of the rugged upland landscape across the South Wales coalfield.
  • Historically, the area formed a high-altitude boundary between the Afan and Rhondda valleys, serving as rugged grazing land while the valleys below were industrialised.
  • It now sits within the footprint of the Pen y Cymoedd wind farm, which generates enough electricity to power about 15% of the homes in Wales.
  • The surrounding forest tracks are part of the Afan Forest Park, meaning you are more likely to encounter a mountain biker than a fellow walker.
  • The ground is famously 'enthusiastic' at holding water; you haven't truly experienced this fell until you've been thigh-deep in a hidden bog that appeared perfectly solid ten seconds earlier.

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3D Flyover

Experience a virtual tour of Mynydd Ynyscorrwg with our interactive 3D terrain map.