Fundamental Benchmark Details & GPS Waypoint

Twyn yr Hyddod 486m (1594ft)

Summit Feature: Also recorded on OS maps as Mynydd Bedwellte and Cefn Bedwellte.
Classification: Hill Trigpoint, Clem, Hump, Pedwar, P30 Tump.
OS Grid Ref: SO145060 (10 figure Grid Ref: SO1451406011).
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 161. 1:25k 13S,166E.)
Latitude: 51.746255, Longitude: -3.239645, Height: 486 metres (1594 feet)
Prominence: 110 metres (361 feet)
Unique Waypoint POI Name: 0486.p (DoBIH Hill ID: 5271)

Associated Trigpoint:
  TP4365 'Mynydd Bedwellty' Grid Ref: SO1451506012 Separation: 19m from Hill grid ref.

External Links for Twyn yr Hyddod:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Twyn yr Hyddod on -Mynydd Bedwellty on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Mynydd Bedwellte List & GPS Waypoints:

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  • '0486.p' SO145060 Twyn yr Hyddod (486m, p110)

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Member's Grid References for Twyn yr Hyddod...

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Twyn yr Hyddod has been climbed by...

Adrian Andrew Brown Anton Carole Chalky1953 chriswatson Colin Crawford Des Taylor Dugswell2 Fellrunner61 GordonAdshead iaindbrown jnixon jonglew ngthack oakesave rhalstead rhw russ russie stevent0809 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