All Details & GPS Waypoint

Great Treffgarne Mountain 166m (545ft)

Classification: Hill Trigpoint, P30 Tump.
OS Grid Ref: SM944242 (10 figure Grid Ref: SM9447424227).
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: 31 - South-West Wales (OS Maps 1:50k 157,158. 1:25k OL35W.)
Latitude: 51.878633, Longitude: -4.987366, Height: 166 metres (545 feet)
Prominence: 69 metres (226 feet)
Unique Waypoint POI Name: 0166.- (DoBIH Hill ID: 15456)

Associated Parent Hill:
   Foel Cwmcerwyn (536m, p344)

Associated Trigpoint:
  TP7004 'Great Treffgarne' Grid Ref: SM9447424227 Separation: 79m from Hill grid ref.

External Links for Great Treffgarne Mountain:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Great Treffgarne Mountain on -Great Treffgarne on

Data courtesy of the Database of British and Irish Hills

Selected mapping: Google or Bing / Ordnance Survey

:All | :Nearby Hill | :Nearby Trigpoint | : mouseover

Great Treffgarne Mountain List & GPS Waypoints:

Climbed Great Treffgarne Mountain? Log in to tick it off...

  • '0166.-' SM944242 Great Treffgarne Mountain (166m, p69)

Member's Comments on Great Treffgarne Mountain...

Member's Grid References for Great Treffgarne Mountain...

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


Great Treffgarne Mountain has been climbed by...

Carole Chalky1953 cjo IainT jonglew rhw


Total = 1 All
* 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 the Database of British and Irish Hills


Follow us...