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Fundamental Benchmark Details & GPS Waypoint

Garreg Hir 484.9m (1591ft)

Summit Feature: 484.9m summit height and 150.7m drop from Leica 530 GPS survey. Name composition in accordance with standard modern Welsh and upland place-name principles. Also recorded on OS maps as Mynydd Post-llwyd.
Classification: Hill Trigpoint, Befour, Britfour, Clem, Hump, Huw, Marilyn, Pedwar, P30 Tump.
OS Grid Ref: SN998979 (10 figure Grid Ref: SN9987197920).
UK Area: 31 - Aberystwyth to Welshpool (OS Maps 1:50k 136. 1:25k 215.)
Latitude: 52.56986, Longitude: -3.47878, Height: 484.9 metres (1591 feet)
Prominence: 150.7 metres (494 feet)
Unique Waypoint POI Name: 0485.P (DoBIH Hill ID: 2171)

Associated Trigpoint:
  TP2616 'Gareg Hir' Grid Ref: SN9989097789 Separation: 132m from Hill grid ref.

External Links for Garreg Hir:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Garreg Hir on -Gareg Hir on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Garreg-hir List & GPS Waypoints:

Climbed Garreg Hir? Log in to tick it off...

  • '0485.P' SN998979 Garreg Hir (485m, p150.7)

Member's Comments on Garreg Hir...


Garreg Hir has been climbed by...

Adrian Alex C Andrew Brown andys Anton Areluctant-triggeR beckybags Carole Chalky1953 Chris Pearson chriswatson Colin Crawford Denise Des Taylor Dugswell2 gerrybowes GordonAdshead Hill Bagger iaindbrown IainT Ian Baines Jim.Fothergill Liz_N malcorbett ManofKernow Margaret millsno9 nordicstar NormanW oakesave outlawcatcher painterman PM RDK rhayader_wanderer rhw RichTea snaithd Sprog stevent0809 StigoftheNest summitsup thenomad thexbarbarian Tony J Tundraboy underhill vegibagger winerwalker


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


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