Fells/Post Gwyn
Wales

Post Gwyn

665M
2180FT
Rank
110th Highest in Wales
Parent Range
Snowdonia
Nearest Town
Tanypistyll

About Post Gwyn

Post Gwyn is the Berwyns' way of testing your commitment to solitude. Often ignored in favor of its higher neighbors, this broad, peat-clad hump offers exceptional quietude and a summit cairn that looks like it was built by a committee of disinterested sheep.

Key Statistics

Rank
110th Highest in Wales
Parent Range
Snowdonia
Nearest Town
Tanypistyll
Prominence
?
61m
Geology
You are walking over layers of hardened volcanic ash and compressed mud. These fine-grained rocks form the solid foundation beneath your feet.

Did You Know?

  • The name translates from Welsh as 'White Post,' referring to an ancient boundary marker that once helped shepherds navigate this notoriously featureless high plateau.
  • The fell sits within a significant Site of Special Scientific Interest, serving as one of the last bastions for rare upland birds like the hen harrier and merlin.
  • While the provided metadata suggests the Brecon Beacons, this peak is actually a stalwart of the Berwyn range, offering a much wilder and less-trodden experience than the southern parks.
  • The summit is so relentlessly flat that you will likely spend twenty minutes wandering in circles trying to decide which specific tuft of heather represents the actual highest point.
  • Navigating the local terrain is less of a hike and more of a tactical negotiation with the peat; finishing the day with both boots still attached to your feet is considered a major technical achievement.

Find It

OS Grid Reference
SJ047293
Latitude
52.8527°N
Longitude
3.4167°W

Explore Further

Wales Guide
Editorial guide for this region
TrailTrack map showing the location of Post Gwyn
TrailTrack location
SJ047293

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