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Fundamental Benchmark Details & GPS Waypoint

Twyn Bryn Bychan 411.1m (1349ft)

Classification: Hill Trigpoint, Befour, Britfour, Pedwar, P30 Tump.
OS Grid Ref: ST063989 (10 figure Grid Ref: ST0632298915).
UK Area: 32 - Neath to Chepstow (OS Maps 1:50k 170. 1:25k 166.)
Latitude: 51.68116, Longitude: -3.35633, Height: 411.1 metres (1349 feet)
Prominence: 46.2 metres (152 feet)
Unique Waypoint POI Name: 0411.- (DoBIH Hill ID: 15641)

Associated Trigpoint:
  TP6054 'Twyn Brynbychan' Grid Ref: ST0632398915 Separation: 1m from Hill grid ref.

External Links for Twyn Bryn Bychan:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Twyn Bryn Bychan on -Twyn Brynbychan on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

:Fundamental Benchmark | :Nearby Hill | :Nearby Trigpoint | : mouseover

Twyn Brynbychan List & GPS Waypoints:

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  • '0411.-' ST063989 Twyn Bryn Bychan (411m, p46.2)

Member's Comments on Twyn Bryn Bychan...


Twyn Bryn Bychan has been climbed by...

Alex C Andrew C H Anton Carole Chris Nash glynspencer iLiqus itchy-trigger-finder Joanna jonglew nataliehole33 ngthack ogirl RDK rhayader_wanderer rhw slateloose Tony J underhill


Total = 1 Fundamental Benchmark in
Data courtesy of Myrddyn Phillips and Aled Williams


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