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Name:Mynydd Pen-y-graig
Hill number:15635
Height:416m / 1365ft
Parent (Ma):2288  Craig y Llyn
RHB Section:32C: Neath to Chepstow
County/UA:Rhondda Cynon Taff
Catchment:Ogmore, Catchment Boundaries, Taff
Watershed:Severn Estuary
Class:Tump (400-499m)
(Tu,4)
Grid ref:SS 98639 90597
Summit feature:ground 2m N trig point
Drop:36m
Col:380m  SS982910  
OS map sheet(s):(1:50k) 170
(1:25k) 166W
Observations:trig point lies in small depression
GPS data:show GPS entries for this hill

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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 24 users)ByDate of Ascent
11 mile solo run loop from Clydach lake car park SS983927 Pen Y Graig, Bill Meyrick’s cairn and Mynydd Ton. Found a route avoiding the rubbish ground below Pen y Graig .. take the track at SS983916 to gate at SS982911 .. into field to next gate at SS982909 through gate on track up to ridge and follow to trig .. return same way .. visited Mynydd Ton cairn and the trig there is good track to trig from main path at SS950940milejunkie13/04/2023
Parked north end of GG, same route up as CS. Through gate and up to trig and HP.PeterD18/11/2022
Started from Cwm Clydach, good footpath along edge of forestry above the athletics track. Followed old stone wall from gate at SS 9851 9047 to source of the Ely River and ascent to trig point/HP from south west. A pleasant, easy-going walk rewarded with nice views on all sides.forsterfamily713/03/2022
Tonypandy to Llwynypia.Smudge08/02/2020
From the very north end of Gilfach Goch. Parked next to what is currently a small construction site. Found an old incline to use to gain height and then across sheep pastures to top. GG looks like everywhere has been reclaimed from the old mining industry. Few visible scars remain.Campbell Singer31/08/2019
1/2 From north Gilfach Goch, was difficult to find afootpath initially, but nice walk uppenbet27/07/2019
Followed the bridleway up from Tonypandy before reaching summit from the N. Well defined paths and gates in good working order.Arbie14/05/2018
Up from Gilfach Goch to the NE, along track then up to trig. No fences to cross.Father Ted09/12/2017
From N end of Gilfach Goch on steep RoW initially, then across pasture to SS 9850 9048 and finally another steep ascent alongside a field bdy. Trig pillar near enough at summit; a trig surface block 200m NE.jonglew12/01/2017
Walked up from topend of Gilfach Goch. Acute lack of gates on the top of the hill.Ramblingpaul03/11/2015
circular walk around gifach good endunderhill23/08/2015
1/8 Quick hop up from the village of Gilfach Goch, but a few fences to cross on way a very steep start but fine views make it worth itFergalh14/02/2015
SS98638 90598Anton01/09/2012
spoke to farmer on way up trig pillar as i remember my be in field.hodder06/11/2007
fine steep grassy hill. straight up from W RHW07/11/2004
Lucky for me I live within walking distance of this hill and so have climbed it many, many times. It's relatively easy walking with superb views over the Beacons to the North and the North Devon coast line to the south.Moggblank
kanderson14/11/2023
Alex C05/09/2022
asbown15/01/2020
Adrian14/12/2018
MM25/03/2016
TREBORK17/09/2015
Dusty10/06/2010
andrew.allum01/01/2000