Fundamental Benchmark Details & GPS Waypoint

Allt y Derw 451m (1480ft)

Summit Feature: Drop value from 30.09m basic levelling survey.
Classification: Pedwar, P30 Tump.
OS Grid Ref: SN873834 This data is currently only accurate to a 6 figure grid reference (c.a 100m).
Click here to learn how to help improve it.

UK Area: 31 - Aberystwyth to Welshpool (OS Maps 1:50k 135,136. 1:25k 214W.)
Latitude: 52.43692, Longitude: -3.65926, Height: 451 metres (1480 feet)
Prominence: 30 metres (98 feet)
Unique Waypoint POI Name: 0451.- (DoBIH Hill ID: 14935)

External Links for Allt y Derw:
-GeoHack link... -OS Map Bing link... -Google Map link... -Geograph link... -Allt y Derw on hill-bagging.co.uk...

Data courtesy of Myrddyn Phillips and Aled Williams

Selected mapping: Google or Bing / Ordnance Survey

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

Allt y Derw List & GPS Waypoints:

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Allt y Derw has been climbed by...

Anton Carole Chalky1953 millsno9 rhw stevent0809

 

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