Fundamental Benchmark Details & GPS Waypoint

Carn Wen 440m (1443ft)

Summit Feature: Name taken from OS One-Inch 'Old Series' sheet.
Classification: Hill Trigpoint, Clem, Hump, Pedwar, P30 Tump.
OS Grid Ref: SN682470 (10 figure Grid Ref: SN6829847001).
The original GR data for this hill was only accurate to a 6 figure grid reference (c.a 100m).
We have used additional user / trigpoint data to bring it up to 10 figures.

UK Area: 31 - South-West Wales (OS Maps 1:50k 146. 1:25k 187S,199.)
Latitude: 52.105626, Longitude: -3.924426, Height: 440 metres (1443 feet)
Prominence: 105 metres (344 feet)
Unique Waypoint POI Name: 0440.p (DoBIH Hill ID: 5227)

Associated Trigpoint:
  TP0996 'Bryn Ffynnon' Grid Ref: SN6830047003 Separation: 3m from Hill grid ref.

External Links for Carn Wen:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Carn Wen on -Bryn Ffynnon on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Bryn Ffynnon List & GPS Waypoints:

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Member's Comments on Carn Wen...

Member's Grid References for Carn Wen...

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Carn Wen has been climbed by...

Alex C Andrew Brown Anton Carole Chalky1953 Colin Crawford Des Taylor iaindbrown jonglew oakesave rhw stevent0809


Total = 1 Fundamental Benchmark
* The waypoint data in italics is only accurate to a 6 fig grid reference. Click here to learn how to help improve it.
Data courtesy of Myrddyn Phillips and Aled Williams


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