Fundamental Benchmark Details & GPS Waypoint

Cefn Cwm Irfon 497m (1630ft)

Summit Feature: Name composition in accordance with standard modern Welsh and upland place-name principles.
Classification: Hill Trigpoint, Pedwar, P30 Tump.
OS Grid Ref: SN845495 (10 figure Grid Ref: SN8456049594).
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 147. 1:25k 187N,187S.)
Latitude: 52.1325584, Longitude: -3.6879576, Height: 497 metres (1630 feet)
Prominence: 32 metres (105 feet)
Unique Waypoint POI Name: 0497.- (DoBIH Hill ID: 7636)

Associated Trigpoint:
  TP1998 'Cwm-Irfon' Grid Ref: SN8456049594 Separation: 112m from Hill grid ref.

External Links for Cefn Cwm Irfon:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Cefn Cwm Irfon on -Cwm-Irfon on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Cefn Uchaf List & GPS Waypoints:

Climbed Cefn Cwm Irfon? Log in to tick it off...

  • '0497.-' SN845495 Cefn Cwm Irfon (497m, p32)

Member's Comments on Cefn Cwm Irfon...

Member's Grid References for Cefn Cwm Irfon...

  • Phil Newby submitted the following Grid Ref...
  • SN-84560-49594


Cefn Cwm Irfon has been climbed by...

Anton Carole Chalky1953 rhw


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


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