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Hill number:15634
Height:419m / 1375ft
Parent (Ma):2292  Mynydd Twyn-glas
RHB Section:32C: Neath to Chepstow
County/UA:Caerphilly (UA)
Class:Tump (400-499m)
Grid ref:ST 24198 92605
Summit feature:trig point
Col:371m  ST251938  
OS map sheet(s):(1:50k) 171
(1:25k) 152
Change log:show changes for this hill entry
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, and mention the hill number and hill name.

Logged Descriptions  (logged by 58 users, only the latest 50 shown - Show all)ByDate of Ascent
Crosskeys - Mynydd y Lan - Mynydd Machen - Medart - Twmbarlwm - Crosskeys.Mark Jackson24/10/2018
Parked at barrier and took meandering route upwards using numerous fps. Found later on signs limiting access because of serious fire damage during the hot summer. Wet and misty today.Campbell Singer15/08/2018
From the Twmbarlwm car park, west up to the fort and the trig pillarMariana Trench11/03/2018
Parking to E then easy stroll up, over the Motte then over to pillar, good condition, great views today.griefmiester23/08/2017
From Cwmcarn Forest Visitors Centre to summit and returnakbunny5905/07/2017
Parking at visitors centre. Medart first then on to here. Swathed in morning hill fog.jonglew14/12/2016
From the car park to the east to bag the trig point and do some geocaching.Father Ted07/09/2016
From South, after climbing Medart. Good views on a clear day. Visited Trig and Fort.PeterD29/08/2016
YSM438 Twmbarlwm Difficulty 1 Terrain 3 - quite steep in places. Lovely sunny morning walk but very cold. Fort is well worth a look too.thejackrustles06/03/2016
Part of LDWA Ravens Dare 26-mile chhalenge walkliljonb03/10/2015
Part of a ridge walk including Mynydd Twyn-glas. The view from Twmbarlwm is superb, with the added interest of the hill fort.Cas-gwent28/09/2015
Up the steep hill from the Medart side. Was surprised how quickly the steep slope turned into the summit.amarillo-oro-como04/05/2015
Walk with Hilary, Karen and Maggie.Followed circular walk from Cwmcarn visitorcentre between 5 to 8 miles distance.Suzyj19/04/2015
Easy and popular climb from below, worth every second nice pull on way up great views...and don't miss the ancient ring fort !Fergalh16/11/2014
Part of Valleys 100.Rob Pen y Garn24/05/2014
VALLEYS 100EVERTON24/05/2014
From Mynydd Machen, along line of leg 1 of LDWA Valleys 100Jim T15/02/2014
On the Where Ravens Dare challenge walk with the LDWAphilhythe05/10/2013
Check-point on the Where Ravens Dare 15.5 mile walk organised by South Wales LDWA.Al Fouracre06/10/2012
ST24200 92609Anton01/09/2012
With Catherine from Henllys, Cwmbran. It snowed on the top and we got soaked. Couldn't see a thing! Have done this a couple of times from Cwmcarn Forest Visitor Centre since then. There are lots of bilberries on top.islamidget29/01/2012
Estimated date. Formerly, a favourite after-work hill.huwthomas02/04/2008
visited many times with lovely hillfort and near by trig point last time i was here was completeing the raven's walk.hodder30/12/2006
From Riscapeter4lc12/01/2006
fine summit & view, v fine Motte E of summit. steep tk from road to E RHW08/11/2003
On Caerphilly Summits 30 Mile ChallengePeterD05/07/2003
K Cambrian Waycrazy26/05/1996
Twmbarlwm TrekEVERTON06/05/1989
On first day of Cambrian Way from Cardiff heading NorthPeterD22/05/1982
Climbed many times. This date is an estimate of the first time.gurney9901/06/1979
Robert Kemp01/01/2015