Fundamental Benchmark Details & GPS Waypoint

Carn Nant - yr - ast 440m (1443ft)

Summit Feature: Also recorded on OS maps as Carn Tywarch.
Classification: Hill Trigpoint, Pedwar, Pellennig, P30 Tump.
OS Grid Ref: SN721494 (10 figure Grid Ref: SN7210049400).
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 146,147. 1:25k 187N,187S.)
Latitude: 52.128074, Longitude: -3.86985, Height: 440 metres (1443 feet)
Prominence: 74 metres (243 feet)
Unique Waypoint POI Name: 0440.- (DoBIH Hill ID: 14956)

Associated Trigpoint:
  TP1245 'Carn Nant-Yr-Ast' Grid Ref: SN7210149463 Separation: 63m from Hill grid ref.

External Links for Carn Nant-yr-ast:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Carn Nant - yr - ast on -Carn Nant-Yr-Ast on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Carn Nant-yr-ast List & GPS Waypoints:

Climbed Carn Nant-yr-ast? Log in to tick it off...

  • '0440.-' SN721494 Carn Nant-yr-ast (440m, p74)

Member's Comments on Carn Nant-yr-ast...

Member's Grid References for Carn Nant-yr-ast...

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Carn Nant-yr-ast has been climbed by...

Adrian Anton Areluctant-triggeR Carole Chalky1953 Colin Crawford rhw struggling


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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