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The Lake District Summits the Definitive List Details & GPS Waypoint

Twyn Ddisgwylfa Fach 491m (1611ft)

Summit Feature: Name taken from OS enlarged mapping on Old Maps website. Also recorded on OS maps as Mynydd Gethin, Mynydd Merthyr and Cefn Pennar.
Classification: Hill Trigpoint, Befour, Britfour, Clem, Hump, Pedwar, Sub-marilyn, P30 Tump.
OS Grid Ref: SO044025 (10 figure Grid Ref: SO0442202513).
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 166E.)
Latitude: 51.71318, Longitude: -3.384821, Height: 491 metres (1611 feet)
Prominence: 145 metres (476 feet)
Unique Waypoint POI Name: 0491.p (DoBIH Hill ID: 2291)

Associated Trigpoint:
  TP1356 'Cefn Pennar' Grid Ref: SO0442302514 Separation: 27m from Hill grid ref.

External Links for Twyn Ddisgwylfa Fach:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Twyn Ddisgwylfa Fach on -Cefn Pennar on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

:The Lake District Summits the Definitive List | :Nearby Hill | :Nearby Trigpoint | : mouseover

Mynydd Gethin List & GPS Waypoints:

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  • '0491.p' SO044025 Twyn Ddisgwylfa Fach (491m, p145)

Member's Comments on Twyn Ddisgwylfa Fach...

Member's Grid References for Twyn Ddisgwylfa Fach...

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Twyn Ddisgwylfa Fach has been climbed by...

Adrian Alex C Andrew Brown Andrew C H andys Anton Areluctant-triggeR Carole Chalky1953 Colin Crawford Des Taylor DirtbagRunnersE&W Dugswell2 gerrybowes iaindbrown iLiqus itchy-trigger-finder Joanna jonglew Konnor64 Lennylee ManofKernow oakesave ogirl PeterD PGCE RDK rhalstead rhw slartibardfast slateloose stevent0809 Ted Richards Tony J underhill WelshTrigs


Total = 1 The Lake District Summits the Definitive List in
Data courtesy of Myrddyn Phillips and Aled Williams


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