All Details & GPS Waypoint

Trewannion Down 309m (1014ft)

Summit Feature: Tumulus, 309m, near trig pillar. This is the highest point on Landranger sheet 190. Almost as high is Condolden Barrow, 308m at SX 09046 87180, hillnumber 17540
Classification: Hill Trigpoint, LRT.
OS Grid Ref: SX147884 (10 figure Grid Ref: SX1472588475).
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: 54 - Knockmealdown, Comeragh and Monavullagh Mountains (OS Maps 1:50k 190.)
Latitude: 50.6663989, Longitude: -4.6230858, Height: 309 metres (1014 feet)
Prominence: 27 metres (89 feet)
Unique Waypoint POI Name: 0309.- (Hill ID: 304265)

Associated Trigpoint:
  TP6005 'Trewannion Down' Grid Ref: SX1472588475 Separation: 35m from Hill grid ref.

External Links for Trewannion Down:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Trewannion Down on

Selected mapping: Google or Bing / Ordnance Survey

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Trewannion Down List & GPS Waypoints:

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  • '0309.-' SX147884 Trewannion Down (309m, p27)

Member's Comments on Trewannion Down...

Member's Grid References for Trewannion Down...

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Trewannion Down has been climbed by...

Carole Chris Pearson CornishGazza Donna Dugswell2 micks trigs Penwithick pixie 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.


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