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Name:Allt y Derw
Hill number:14935
Height:449.9m / 1476ft
Parent (Ma):2161  Pumlumon Fawr [Plynlimon]
RHB Section:31A: Aberystwyth to Welshpool
County/UA:Powys (CoU)
Catchment:Severn, Catchment Boundaries, Wye
Class:Tump (400-499m)
(Tu,4)
Grid ref:SN 87319 83415
Summit feature:no feature: grass
Drop:74m
Col:376m  SN864838  
OS map sheet(s):(1:50k) 135 136
(1:25k) 214W
Change log:show changes for this hill entry
GPS data:show GPS entries for this hill

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please contact the hillsummits website

N.B. Some hill summits are on private property or on land where there is no public right of way.  Permission should be sought from the landowner where access to a hill summit is through private land.
Please report via the contact page any logs you see below which describe or encourage acts of trespass.  Please quote the hill number and hill name.

Logged Descriptions  (logged by 7 users)ByDate of Ascent
2/10 Second of Ten (Pen Llwyn-Ieir/Allt y Derw/Fuches/Gias/Ban y Groes/Fedw-Ddu/Gamallt/Foel Fawr/Bryn y Fedwen/Waun y Gadair)Fergalh04/12/2016
449m (3m), pasture. Several grassy tops; NW-most is higher. From SSE, track crossing pasture, several gates RHW03/04/2011
SN8731783414Anton07/11/2009
TK15/03/2020
stevent080921/05/2016
MM30/09/2015
andrew.allum01/01/2000