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Name:Maesglase (old GR) - Maen Du
Hill number:2146
Height:674m / 2211ft
Parent (Ma):2145  Maesglase
RHB Section:30F: Dolgellau to Machynlleth
Nuttall/Wainwright area:Cadair Idris
County/UA:Gwynedd
Catchment:Dovey
Class:Buxton & Lewis, Bridge, Deleted Nuttall
(BL,Bg,xN)
Grid ref:SH 82242 15176
Summit feature:single stone 3m N of stile
Drop:10m
Col:664m  SH820150  
OS map sheet(s):(1:50k) 124 125
(1:25k) OL23E
Observations:cairn 20m S at SH 82246 15155 is 25cm lower
Survey:Leica NA730
Survey of Maesglase.pdf
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 240 users)ByDate of Ascent
Out and Back from Dinas Mawddwy, Maesglase (old GR) / Maen Du - Maesglase - Craig Portas - Cribin Fawr - Waun-oer. With R+R.Dan Baddeley11/11/2023
DFRYER26/09/2023
From overnighter up Foel Dinas via waterfall. Hottest day of the year- was certainly warming up by the time we arrived at top. Dumped packs & out & backed to Craig Rhiw Erch. Returned to DM via the initially very steep NE ridge.stig_nest09/09/2023
ThomasSmith_0707/08/2023
9.8 miles 3086ft walk ,start at A470 viewpoint carpark. to Cribin Fawr, Waun-oer, Craig Portas, Maesglase and Maen Du.stephenbuda02/07/2023
A pleasant enough clockwise round of the fells above Aberllefenni made a little more exciting by my having difficulty in finding a clear route into Cwm Ratgoed.oldbagger2717/06/2023
Miflij08/04/2023
Cambrian Way Stage 14 Dinas Mawddwy - Bwlch Llyn Bach.Rob Rees12/11/2022
nicolajane01/11/2022
From mapped roadside parking area to NNE (SH 8021 1702). Good track leads up to Cribin Fawr first, then a divert across to Waun-oer before getting back on track to Craig Portas, its E Top, Maesglase and then across to here. Took a steep descent NW down to Penantigi Uchaf to ascend Camlan as a final hill of the day.jonglew16/10/2022
Tony J16/10/2022
Brief visit to E summit after west HP for Barry's final Welsh Marilyn. Levelish grass before descent down NW ridge to road- nice grassy descent, with stream crossing over fallen tree. Repeat.Denise 16/10/2022
As Jonglew for Barry last welsh Marilyn. Party of 12. Started at carpark at head of pass finished by decending to east were a car was used to transport back to start. The descent down steep ridge has been used as an extreme downhill mountainbike route with big dropoffs jumps and high death factor at start.cjo16/10/2022
Rough grass. Visit after Craig Rhiw-ErchRichardM16/10/2022
Foel Dinas, Maesglase - Maen Du, Maesglase, Craig Portas East Top, Craig Portas, Cribin Fawr, Waun-oer, Mynydd Ceiswyn, Gau Graig, Mynydd Gwerngraig, Mynydd Moel, Cadair Idriskeithouk23/08/2022
RutheH17/08/2022
soloFabioski08/08/2022
6/8 Mynydd Ceiswyn, Waun-oer, Cribin Fawr, Craig Portas East Top, Maesglase, Maen Du, Craig Portas West Top, Mynydd Dolgoed. Fantastic Route from the Ratgoed Valley with nice walk out at the end. Hot day indeednickywood113/07/2022
From Bwlch Oerddrws. Waun-oer, Mynydd Ceiswyn, Cribin Fawr, Craig Portas, Craig Rhiw-erch, Maen Du and Foel Dinas.Gwastadros11/07/2022
Problem Child03/07/2022
From Maesglase. Down path on NE ridge, before turning down N, straight down to car in layby near Mynogau Uchaf.Minto30/05/2022
Nirobi9923/04/2022
sebastiencale14/04/2022
Parked at milkstand and walked 500m back along A470 to Ty'n-y-celyn and tracks to Maen Du and summit. Returned by Craig Maesglase to admire cwm and waterfall.lordtonult19/09/2021
tomcr8808/08/2021
Afternoon hike with my brother and his 3 children in >25° heat. Climbing from car park at Ochr y Bwlch to Cribin Fawr (659m), then making a dog-leg to Waun-oer (670m), before following horse-shoe ridge round to Maen Du (674m) on Maesglase. Descended to Dolobran. ~11Km with 790m ascent.VirtualMountain17/07/2021
WonderWoman7719/06/2021
https://www.strava.com/activities/5405666533/overviewrhif703/06/2021
rickeeling23/04/2021
Rob5016/04/2021
Maesglase & Maen Du - Dyfi Hills. Parked on A470 large lay-by at SH 82643 16350 at Pont Buarth-Glas. SE over rickety fence onto hillside and followed the W side of the stream cutting through the LHS of Craig Buarth-Glas, extremely steep requiring lots of pulling on vegetation, collapsing ledges and loose rock, exciting. Up to fence and Moel cwm yr Eglwys then ridge and path to Maen Du and fence to Maesglase summit. Descended NW spur of Maen Du to around 450m then steeply down bracken and grass to cross Nant y Cae at 270m and easy pastures to gate onto A470 just W of lay-by. A really impressive mountain, tough from the north with sustained slopes of 45 degrees.jacobrichmond22/11/2020
From A470 high point car park. Cribin Fawr, Waun-oer, Craig Portas, Craig Portas East Top, Maesglase & Maesglase B&L.CJM29/09/2020
After main summitN.Morters28/09/2020
TREBORK18/09/2020
taff12/09/2020
On the was along the cliffs to the new Marilyn summit.NormanW11/09/2020
See Kamoot entry for full details/gpx download: https://www.komoot.com/tour/301551783outlawcatcher22/01/2020
siabod08/08/2019
Along the fence line from the new summit. Views are better here.DanMaisieBex03/08/2019
Susan Bidwell30/04/2019
Cribin Fawr Far North - East Top > Cribin Fawr North - East Top > Cribin Fawr > Craig Portas (Mynydd Dolgoed) > Craig Portas East Top (Mynydd Gartheiniog) > Maesglase South Top > Maesglase (old GR) - Maen Du > Moel Cwm yr Eglwys from GR: SH 81913 16372Hippster16/02/2019
Cribin Fawr Far North - East Top > Cribin Fawr North - East Top > Cribin Fawr > Craig Portas (Mynydd Dolgoed) > Craig Portas East Top (Mynydd Gartheiniog) > Maesglase South Top > Maesglase (old GR) - Maen Du > Moel Cwm yr Eglwys from GR: SH 81913 16372ronaldo33316/02/2019
A470, Cribin Fawr, Craig Portas, Maesglase, Maen Du, Bwlch Siglen, Foel Dinas, Dinas-Mawddwy.tim74727/09/2018
P on handy grass verge at approx 830152. Good track to start - main height gain on very overgrown path - then ok incipient path in moorland. Visited Maesglase first, then Maen Du - good views down to A470.ger26/09/2018
Rowan04/09/2018
Laurel04/09/2018
andrewroberts01/06/2018
Ascent via Craig Maesglase from layby on A470. Good views and pleasant walk.The Playful Pig28/04/2018
IainPeeks28/04/2018
alister.walker03/01/2018
Crumblie208/11/2017
Long hot walk from Dinas Fawddwy, fantastic views.Taz3818/07/2017
Missed this one when doing the Nuttall walk, so a quick up and down from the lay-by at SH826163 to complete Bridge and Buxton/Lewis lists. Steep but no difficulties.mae31/05/2017
David Bell01/05/2017
arjh30/04/2017
From cad west car park, Mynydd, Ceiswyn, Waun-oer, Cribin Fawr, Cribin Fawr East top, Mynydd Dolgoed, Craig Portas, Craig Portas East Top, Maesglase, Maesglase old top, Maesglase South top,back over Waun oer to cp 8hrs walkingunderhill21/01/2017
alda20/10/2016
paulsross28/08/2016
Tricky27/08/2016
From the top. Had leisurely lunch admiring the views. Wonderful crags and grassy cliffs. Saw no one. Camped on Cribin Fawr that night.mick05/05/2016
Neil Midgley26/04/2016
Dovey hills walk with Lindsay, Steve and Frank, starting top of the pass, finishing nr Dinas Mawddwy - 2 cars. Great views, dry but very windy day.Crib Goch10/04/2016
Dovey hills walk with Martin, Steve and Frank, starting top of the pass, finishing nr Dinas Mawddwy - 2 cars. Great views, dry but very windy dayLou10/04/2016
With Martin, Lindsay & Steve and starting from parking spot on A470 used Martin's route to take in Cribin Fawr, Waun-oer, Craig Portas, Craig Portas East Top finishing on Maesglase.knarf10/04/2016
Nuttall Walk WN 10.3 West of Dinas Mawddwy from Aberllefenni. Mynydd Ceiswyn, Waun-oer, Cribin Fawr, Craig Portas and Maesglase. 20.4km with 1170m ascent in 7h15m. (S)silveracorn_alan29/03/2016
Clearly lower than main Nuttal summit. Heavy morning rain slow to clear replaced by gradually clearing skies with good visibility. Strong wind became stronger almost blowing me off my feet on many occasions. Parked in car park near 363m spot height on A470. Cribin Fawr->Waun-oer->Craig Portas->Craig Portas East Top->Maesglase->Maesglase (old GR) - Maen Du. Only 7.83 miles but comparatively a lot of ascent at 964m. No wonder felt tired on final walk back to van along A470 from Penantigi Isaf. Better to park near milepost to reduce final walk back to van.mntainman09/03/2016
nordicstar30/12/2015
jenx30/12/2015
richtea504026/11/2015
Bruckner718/10/2015
Wycombe Wanderer24/09/2015
Small roadside parking area on A470 at SH84778 15496 (Space for 2 cars) – Up lane opposite for about 800m & then followed waymarked path up to col by top corner of forest (828135) – NW up path alongside fence & after doing the East Top of Craig Portas did the Marilyn on Maesglase as well as Mean Du. (S)gerrybowes27/08/2015
danduponty16/04/2015
Nuttall walk 10.3: Mynydd Ceiswyn - Wann-oer - Cribin Fawr - Craig Portas E top - Maesglase - Maesglase Maen Du - Craig Portas E top - Craig Portas - Mynydd Dolgoedronaldo33307/03/2015
Misty start followed by glorious sunshine with crisp snow underfoot for circuit Cribin Fach/Cribin Fawr/Mynydd Dolgoed/Craig Portas/Craig Portas East top/Maesglase/Maen Du/Craig Buarth GlasFergalh18/01/2015
The-Z-Man14/01/2015
Hetty05/07/2014
davefh05/07/2014
With Bevsimon and co26/06/2014
Steve Clark25/06/2014
Same day as Aran Fawddwy Lakesgirl14/06/2014
adrianturner14/06/2014
axe.stephen29/05/2014
Tony S28/05/2014
A half day walk before our journey home. We parked in Dinas Mawddwy and then ascended along the flank of Foel Dinas. We then followed the ridgeline of Craig Maenglase and went down Cwm yr EglwysGinger Dave18/05/2014
andy6329/04/2014
Tony Rogers03/04/2014
johnowen03/04/2014
Neil Haslewood05/09/2013
Neil Haslewood29/08/2013
N Haslewood ALL29/08/2013
geoffreycurnock12/08/2013
maknipe10/07/2013
softsquare07/07/2013
Solo on linear walk.bolton01/07/2013
As part of a circular route from Aberllefenni.JohnStoneham28/06/2013
sclater16/02/2013
andrew28/10/2012
David Gradwell23/08/2012
Edwin Gradwell23/08/2012
Rambling Ray19/07/2012
ju ju19/07/2012
Wild camp with Pete and Richrichardsun27/05/2012
Easy stroll from Maesglase 'new' West top. good views near edge. dry & sunny, down via ffridd gulcwm to Dinas Mawddwy. Craig Maesglase impressive from the valley.apricorum15/04/2012
MountainBlade18/03/2012
From Bwlch Oerddrws (SH 80219 17029) - Cribin Fawr - Waun-oer - Craig Portas - Craig Portas East Top - Maesglase - Maesglase (Maen Du). Out and back almost by the same route, Waun-oer omitted on the return.david23020119/02/2012
BorthGoat19/02/2012
with Tony and DevonStuart Hyde23/08/2011
KeithByTheC06/08/2011
Crazily long linear walk with CUHWC; Ty-nant - pony path - Cyfrwy - Craig Cwm Amarch - Cadair Idris - Mynydd Moel - Gau Graig - Mynydd Ceiswyn - Waun-oer - Cribin Fawr - Craig Portas - Maesglase - Foel Dinas - Dinas Mawddwy - Bryn Hafod bunkhouse. Great!Mark Jackson14/05/2011
Linear walk from near Dolgellau to Cwm Cywarch on CUHWC Aran Mountains Trip.AGWilliamson14/05/2011
poppiesrara25/04/2011
DARRENG13/02/2011
andrew brown13/02/2011
SS30/01/2011
ngthack26/01/2011
Lynfa Penygarn02/01/2011
Smog10/11/2010
Stan The Man10/11/2010
roddyp10/07/2010
PeterKirkwood20/06/2010
Matt17/04/2010
Continued from previous summit. Cairn with upright post in middle.Aye Jimmy11/04/2010
PDR36528/03/2010
TeasyChris19/03/2010
Worth making the short easy walk over from the new topwoodse07/03/2010
stevehughes01/01/2010
victimofmathema29/11/2009
Glenford11/10/2009
Alan Whatley11/10/2009
Phil M09/08/2009
From Cwm Cerist.Wheelsy03/08/2009
DC11main23/05/2009
clivevilla07/04/2009
mad max13/11/2008
ajwxyzt15/10/2008
Walked over from the new top as it was a good but very very cold day. Top just near stile it looks like.Father Ted16/12/2007
patrick29/08/2007
With: hb sb ab; We parked in carpark at Ochr y Bwlch then followed track up to Cribin Fawr and the ridge on to Waun-oer. The Craig Portas and Maesglase (both tops) before descending to Penantigi Uchaf.Ian Baines24/08/2007
With: ib sb ab; Helen Baines24/08/2007
Anton00/08/2007
tomandivy17/07/2007
stevent080916/06/2007
an excellent walk which took in the tops of maesglase, cribyn fawr, waun oer and mynydd ceiswyn. we started at grid ref sh777100 near the hamlet of aberllefenni. it was a round of 21km. oh and it was the first outing for new boots!stig_nest15/04/2007
BobHancock24/02/2007
davidpettit8428/01/2007
Blisco28/01/2007
Up Maesglase old summit on path from A470 NE, new summit, Cribin Fawr and descent N to the car park. With Jo using 2 cars. Galltywenallt20/08/2006
TK23/07/2006
Walked here rom true summit of Maesglase.peter4lc03/07/2006
dochart11122/10/2005
colcoire23/07/2005
WanderingSnowdonian04/03/2004
thenomad18/11/2003
MM01/10/2003
Start ~ 801170, Bwlch Oerddrws. Took the path that winds its way up through the crags at Craig y Bwlch and passing the small quarry workings arrives at Cribin Fawr. Descended SE to pass over Craig Portas and its East Top before climbing up on to Maesglase. Continued to Maen Du before retracing route. With KT.steve hudson28/09/2003
David Purchase03/05/2003
AndyS30/03/2003
BaggerGutt01/12/2002
Visited the cairn. From here dropped off to the north. Took the ridge down to Penantigi Uchaf a farm now owned by an American. Unfortunately the right of way ends at his farm and he was not aware of this. Still he let us through to make the A470.garyhoney21/07/2002
CK, club SheilaS26/01/2002
PeteF09/12/2001
Man of Kernow102/12/2001
Diary says 'Permission granted to start from Penantigi Uchaf'. Could have been ironic.Eddie12/11/2001
Keri01/02/2001
Colin Crawford24/08/2000
summitter01/01/2000
Martin R31/12/1999
Archie30/05/1999
KathW30/05/1999
topgigglejon13/04/1999
W-E traverse of Waun-oer, Cribin Fawr and Moelwyn Mawr (old summit) from A487 car park to Dinas Mawddwy. With Jo using 2 cars.Galltywenallt19/12/1998
Solo run. Third of five peaks. Steep descent northwards.mikejacobs27/05/1998
GMGMTRIdris04/04/1998
GMGMTRmaryjdavies04/04/1998
Rob Pen y Garn04/04/1998
JtwoUD11/01/1998
ROB Richard Tait06/10/1996
welshe17/09/1996
Swindon Bagger23/07/1996
GeoffC08/06/1996
K Cambrian Waycrazy07/06/1996
With KWJohnIvor06/10/1995
Sherlock24/09/1995
The Dancing Mon19/08/1995
Mike Backler19/02/1995
zoob27/08/1994
SteveC25/08/1994
PJT31/07/1994
iaindbrown24/08/1993
ChrisC27/06/1993
On Cambrian Way.ruthatlast11/06/1993
John Eley10/10/1992
Denise 26/01/1992
Ianto&Sue13/10/1991
JohnIvor06/10/1991
johnbarnard2527/04/1991
ianwatson23/03/1991
jim.r18/02/1991
just by the fence grassy topRhayader_wander02/06/1990
petey01/01/1990
No record of first date; been here several times as it's on the (original) Meirionydd Round route although no-one's yet managed to include it. Lovely summit, wonderful steep climb from N.RHW01/01/1990
alda22/07/1989
David Purchase23/04/1989
raymondwilkes29/07/1988
Frogreen28/08/1987
chriswatson01/06/1987
hornet24/05/1987
All summits visited today were well worthwhile, making a grand traverse: Bwlch Llyn Bach- Mynydd Ceiswyn- Waun-oer- Cribib Fawr- Craig Portas- Craig Rhiw-erch- Maesglase- Bwlch Siglen- Dinas Mawddwy. Being on this summit, I took the natural line down to Bwlch Siglen, along the top of the cliffs and above the waterfall, where there was no problem with the terrain; very impressive way down amongst attractive looking alternatives. For comments, see Maesglase log.pwheeler24/04/1987
Rob Rees11/05/1986
from C Portas. Downhill to shelter of forest and up to top. to t'other.arranc10/05/1986
Chris Peart30/12/1985
coldfeet720/09/1985
trimarc204/09/1985
Lynette29/08/1985
Rob Rees02/03/1985
Straight after my last final Uni exam, down by bus from Sheffield,then 4 glorious days of solitude, walking between hostels across lovely empty 2000 feet hills (Bridges). 6,500feet of ascent today (Day 1) in hot and humid conditions made for a hard day over 12 tops of the Cader group from Kings Dolgellau to Dinas Mawddwy YH (only occupant - even warden lives down road and just gave me the key)-Chris Pearson10/06/1984
Rob Rees26/02/1984
Rob Rees05/12/1982
IainT14/09/1982
Day 10 of Cambrian Way from Mallwyd to PenmaenpoolPeterD31/05/1982
wombourne23/05/1982
Alan Moore12/10/1980
AlanD15/04/1979
Mid Wales Mountain MarathonMoorponder08/04/1978
GaryJones01/07/1974
glbrookes20/04/1974
GordonAdshead00/04/1973
peterstanding25/11/1972
On Mid-Wales Mountain Marathonsignyred29/04/1972
amblemark01/01/1970
kanderson02/01/1955
Dovey Forest traverse from SH 858 140 to SH 771 099, Aberllefenni. 1990/91?summitsupblank
On the Mallestang Yomp. Date not known but it was awful weatherjohnjennisonblank
Nick Canuteblank
Kevin Bormanblank
AFD90blank
chrisowen1983blank
peakrodentblank
Flatfieldblank