TrailTrack
Twynwalter
Wales

Twynwalter

502M
1647FT

About Twynwalter

Rising above the upper Swansea Valley near Glyntawe, this modest Fforest Fawr summit offers a quiet alternative to the busier neighbouring massifs. It features typical Welsh moorland terrain—unfenced, grassy, and occasionally boggy—providing a vantage point overlooking the Cray Reservoir and the dramatic Old Red Sandstone escarpments of the Black Mountain to the west.

Key Statistics

Rank
570th Highest in Wales
Parent Range
Brecon Beacons
Prominence
?
26.2m
Nearest Town
Penwyllt
Geology
Ordovician Volcanics
Classifications

Find It

OS Grid Reference
SN828175
Latitude
51.8438°N
Longitude
3.7027°W

Did You Know?

  • The name is Welsh in origin, with 'Twyn' meaning a hillock or knoll, while 'Walter' is a personal name; such naming conventions in the Brecon Beacons often denote historical land boundaries or associations with medieval tenants of the Fforest Fawr hunting grounds.
  • From the summit, the view west is dominated by the spectacular 'Great Wall' of Fan Hir, the long sandstone escarpment that forms the eastern edge of the Black Mountain range.
  • Situated just north of the Beacons Way long-distance path, the hill overlooks the Haffes valley, where the river descends through a series of small waterfalls towards the Tawe.
  • At precisely 502 metres, it clears the half-kilometre mark with very little room to spare, yet remains blissfully ignored by the crowds heading for the more famous 'Fan' peaks nearby.

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3D Flyover

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