All Details & GPS Waypoint

Mynydd Twyn - glas 472m (1548ft)

Summit Feature: Knoll 35m N of trig point note: knoll is 50cm higher than base of trig point; knoll 30m WNW of trig point is 30cm higher; trig point is at ST 25996 97816 (Survey: Abney level)
Classification: Hill Trigpoint, Britfour, Clem, Hump, Marilyn, Pedwar, P30 Tump.
OS Grid Ref: ST259978 (10 figure Grid Ref: ST2599997845).
UK Area: 32 - Neath to Chepstow (OS Maps 1:50k 171. 1:25k 152.)
Latitude: 51.674481, Longitude: -3.071583, Height: 472 metres (1548 feet)
Prominence: 253 metres (830 feet)
Unique Waypoint POI Name: 0472.P (DoBIH Hill ID: 2292)

Associated Trigpoint:
  TP4391 'Mynydd Maen S2978' Grid Ref: ST2599597811 Separation: 34m from Hill grid ref.

Associated Child Hill(s):
   Brynglas (82m, p46);    Graig Ddifaith (109m, p54);    Lodge Hill (119m, p74);    Medart (384m, p78);    Twmbarlwm (419m, p48);

External Links for Mynydd Twyn-glas:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Mynydd Twyn - glas on -Mynydd Maen S2978 on

Data courtesy of the Database of British and Irish Hills

Selected mapping: Google or Bing / Ordnance Survey

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Mynydd Twyn-glas List & GPS Waypoints:

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  • '0472.P' ST259978 Mynydd Twyn-glas (472m, p253)

Member's Comments on Mynydd Twyn-glas...


Mynydd Twyn-glas's Nearby Routes...

South Wales 100 ml (hillybilly)


Mynydd Twyn-glas has been climbed by...

Adrian Alex C Andrew Brown Anton Areluctant-triggeR Carole Chalky1953 Chris Pearson Chris Upson chriswatson Colin Crawford Des Taylor doddy dubmill Dugswell2 gerrybowes glynspencer GordonAdshead Griefmiester hillybilly iaindbrown Ian Baines Jim.Fothergill jonglew kasharic79 lauratheexplorer liz m malky_c Margaret micks trigs ngthack Nick Wakelam nordicstar NormanW oakesave outlawcatcher PM rhalstead rhayader_wanderer rhw RichTea russ russie Sprog SteveG stevent0809 Ted Richards tgrs thenomad Tony J Tundraboy


Total = 1 All
Data courtesy of the Database of British and Irish Hills


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