Classification: SubPedwar.
OS Grid Ref: SO167502 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 - Welshpool to Hay-on-Wye (OS Maps 1:50k 148. )
Latitude: 52.14379, Longitude: -3.21868, Height: 457 metres (1499 feet)
Prominence: 28 metres (92 feet)
Unique Waypoint POI Name: 0457.- (Hill ID: 302432)
External Links for Allt Dderw:
-GeoHack link...
-OS Map Bing link...
-Google Map link...
-Geograph link...
Y-Pedwarau & Fours data courtesy of Myrddyn Phillips and Aled Williams
Selected mapping: Google or Bing / Ordnance Survey
:All | :Nearby Hill | :Nearby Trigpoint | : mouseover
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Painscastle Hill (2.3km)Pt. 424m (2.5km)Begwns (6.2km)Pentre Tump (7.9km)Knockbrack (9.2km)Meakstown (9.7km)Wenallt (13.2km)(E. slope of Black Mixen) (14.4km)Cefn y Grug (14.4km)Pt. 413m (14.9km)
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.
Y-Pedwarau & Fours data courtesy of Myrddyn Phillips and Aled Williams