Fundamental Benchmark Details & GPS Waypoint

Mynydd Myddfai 440m (1443ft)

Summit Feature: This is the highest point on Mynydd Myddfai.
Classification: Hill Trigpoint, Clem, Hump, Pedwar, P30 Tump.
OS Grid Ref: SN806297 (10 figure Grid Ref: SN8068629717).
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 - Llandovery to Monmouth (OS Maps 1:50k 160. 1:25k 12W.)
Latitude: 51.953113, Longitude: -3.737605, Height: 440 metres (1443 feet)
Prominence: 127 metres (417 feet)
Unique Waypoint POI Name: 0440.p (DoBIH Hill ID: 5255)

Associated Trigpoint:
  TP0685 'Black Mountain' Grid Ref: SN8068829719 Separation: 90m from Hill grid ref.

External Links for Mynydd Myddfai:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Mynydd Myddfai on -Black Mountain on

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Mynydd Myddfai List & GPS Waypoints:

Climbed Mynydd Myddfai? Log in to tick it off...

  • '0440.p' SN806297 Mynydd Myddfai (440m, p127)

Member's Comments on Mynydd Myddfai...

Member's Grid References for Mynydd Myddfai...

  • No members have yet submitted better grid references for this , why not be the first?


Mynydd Myddfai has been climbed by...

Alex C Andrew Brown Anton Carole Chalky1953 Colin Crawford Des Taylor Dugswell2 gerrybowes GordonAdshead iaindbrown jonglew lauratheexplorer loobeeloo82 manilena oakesave outlawcatcher rhw stevent0809 Tony J underhill


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


Follow us...