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Name:Mynydd Ceiswyn
Hill number:3431
Height:605m / 1985ft
Parent (Ma):2145  Maesglase
RHB Section:30F: Dolgellau to Machynlleth
Nuttall/Wainwright area:Cadair Idris
County/UA:Gwynedd
Catchment:Dovey, Catchment Boundaries, Mawddach
Class:Subsimm
(sSim)
Grid ref:SH 77245 13903
Summit feature:southerly of two small knolls 5m apart
Drop:27.4m
Col:578m  SH 77848 14053  
OS map sheet(s):(1:50k) 124
(1:25k) OL23E OL23W
Survey:Leica NA730
Surveying Mynydd Ceiswyn (Myndd Hafod-oer) -Final.doc
Comments:Added to the Deweys and deleted following a line survey. See Database Notes.
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 113 users, only the latest 50 shown - Show all)ByDate of Ascent
En route the Waun-Oer from Mach Loop CP.M6KIO07/09/2023
ThomasSmith_0707/08/2023
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
PeakyPete25/04/2023
Cambrian Way Stage 14 Dinas Mawddwy - Bwlch Llyn Bach.Rob Rees12/11/2022
pwithnall01/10/2022
Alan Whatley29/08/2022
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
Miflij17/08/2022
1/8 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
Nirobi9923/04/2022
salen23/01/2022
Chasejet09/11/2021
Smog15/10/2021
poppiesrara05/09/2021
tomcr8808/08/2021
TREBORK27/04/2021
beckybags01/10/2020
alda22/04/2019
chalky195324/09/2018
A Peckish11/07/2018
1/4 (Mynydd Ceiswyn/Waun-Oer/Y Garn/Uwch Mynydd)Fergalh05/11/2017
TK03/11/2017
With Cabe.simon and co02/07/2017
From car park to WSW, up the footpath to start with but it peters out part way up. Kept right of the craggy part to gain height then along ridge/forest edge to summit.clivevilla12/04/2017
On the way up to Waun-oertsharp22/03/2017
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
paulsross28/08/2016
iainwalton22/07/2016
From near Aberllefennli with Mark, Hamish and Huey. Hot day. Long slog up through the forest. Pleasant walk back down by the old quarry.Saggers08/05/2016
From Aberllefenni on two night backpack. Followed Nuttall route through forest. Devastation just above the village with recent clear felling. Grassy knolls, great views.mick04/05/2016
Solo walk using the Aberllefenni bus service. Some muddy forestry tracks at the start, then a nice uphill footpath which disappeared at some point. I took a more direct route and ended up climbing the little cliff of Mynydd y Waun. Very glad to finally make the top of Mynydd Ceiswyn. Hanging cloud obscuring Cadair Idris. Onwards to Waun-oer.thesweetcheat09/05/2015
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
Kendall28/02/2015
Hetty05/07/2014
Steve Clark25/06/2014
MM05/06/2014
johnowen15/04/2014
Mark Sims29/08/2013
Neil Haslewood29/08/2013
N Haslewood ALL29/08/2013
As part of a circular route from Aberllefenni.JohnStoneham28/06/2013
Sleepwa1ker26/06/2013
monkey21/10/2012
Linear walk from Brynllys to Arthog via all the Maesglase and Cadair Idris Nuttalls.davidpettit8405/05/2012
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.Mark Jackson14/05/2011
Same as MJ.AGWilliamson14/05/2011