Fundamental Benchmark Details & GPS Waypoint

Foel y Gelli 450m (1476ft)

Summit Feature: Name taken from OS draft surveyors map. Also recorded on OS maps as Coedcae Isaf.
Classification: Hill Trigpoint, Pedwar, P30 Tump.
OS Grid Ref: SS881962 (10 figure Grid Ref: SS8810096200).
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: 32 - Neath to Chepstow (OS Maps 1:50k 170. 1:25k 166W.)
Latitude: 51.65342, Longitude: -3.618945, Height: 450 metres (1476 feet)
Prominence: 54 metres (177 feet)
Unique Waypoint POI Name: 0450.- (DoBIH Hill ID: 15617)

Associated Trigpoint:
  TP1601 'Coedcae Isaf' Grid Ref: SS8812996214 Separation: 32m from Hill grid ref.

External Links for Foel y Gelli:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Foel y Gelli on -Coedcae Isaf on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Coetgae Isaf List & GPS Waypoints:

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Member's Grid References for Foel y Gelli...

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Foel y Gelli has been climbed by...

Anton Carole jonglew oakesave rhayader_wanderer rhw Ted Richards Tony J


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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