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Name:Clipyn Du [Tarren Bwlch-gwyn] [Siambr Trawsfynydd]
Hill number:3444
Height:582m / 1909ft
Parent (Ma):2161  Pumlumon Fawr [Plynlimon]
RHB Section:31A: Aberystwyth to Welshpool
Nuttall/Wainwright area:Central Wales - Pumlumon
County/UA:Powys
Catchment:Dovey, Catchment Boundaries, Rheidol
Class:Hump, Dodd (500-599m), Dewey, Clem
(Hu,Tu,5,Dew,Cm)
Grid ref:SN 79952 93187
Summit feature:a few small rocks
Drop:124m
Col:458m  SN822916  
OS map sheet(s):(1:50k) 135
(1:25k) 215W
Survey:obvious summit
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.  Please quote the hill number and hill name.

Logged Descriptions  (logged by 66 users, only the latest 50 shown - Show all)ByDate of Ascent
As Gerry Bowes and others from the Glaslyn access gate- good tracks all the way, then clear bridleway up to view of the impressive water cut cwm below Glaslyn. Finally, pathless by fence and over to top. Impressive. Cloudy, showery grey day but plenty of light and views as well. Return via Banc Bugeilyn. With brother, Petepwheeler12/09/2023
Parked at the Glaslyn access gate then along track to Bugeilyn. Continued along track across Tarren Bwlch-gwyn to Clipyn Du. By far the easiest part of the walk as it was then wet and rough terrain to capture the four tops of Carn Hyddgen, Foel Uchaf, Foel Isaf and Llechwedd Crin. Sloshed up Banc Bugeilyn for good measure before retreating to the van for succour, tea and biccies.summitter30/08/2023
Bryn y Fedwen > Foel Fadian [S8517] > Esgair Greolen > Banc Bugeilyn > Clipyn Du (Tarren Bwlch - gwyn) (Siambr Trawsfynydd) from GR: SN 83722 95257ronaldo33315/04/2023
1/11 I roughly followed GB's route from the cattle grid at 837952 bagging 7 Deweys and small detours to get 4 nearby minor peaks. Visited Clipyn Du, Mawnog, Carn Hyddgen, Foel Uchaf, Foel Isaf, Llechwedd Crin, Banc Bugeilyn, Esgair Greolen, Bryn yr Wyn, Foel Fadian, and finishing with Bryn y Fedwen. Some tough pathless sections, but also some quick bits with cart and quad bike tracks. Splendid views! A total distance of 27.5km with 980m ascent in 8.5 hours.silveracorn_alan09/04/2022
Parked at 779954 for a circuit of 10 Tumps. Tracks and sheep paths, plus a fair amount of pathless terrain. 1/10PGCE13/08/2021
Wild feeling place in tussocky sheep pasture. rock outcrop. Ascended from SN779953- road end - forest track parking. continued to Foel Uchaf and on in a big round. Mapped paths not well marked if they exist!Denise 15/05/2021
First summit on clockwise round of 7 Tumps ending on Pen y Darren. An excellent walk in wild and remote country. Terrain generally OK with some good tracks to help one along. Great views.RichardM15/05/2021
easy park 837952 tracks then over top of Graig Fach back to track near dam then Clipyn du from highest point of track return to track and ATV where can to Ochr LLygnant acros moor some faint paths to Carn Hyddgen walk then as stright as can to Foel uchaf, Foel Isaf Llecwedd Crin then back to track and Bugeilyn farm. Then to Bugeilyn numerous ring contours and flat top point 551 on os map appears high point down SE to esgir grolen and Bryn y wyn return east of Banc bugeilyn using drainage ditch on 470m contour easy walking live badger sett 8334 9290 then across old mine working to track on to Foel Fadian easy tracks and then lastly Bryn Fedwen about 600 metres from car, 8 hrs total best top of day Carn Hyddgen with iviews of Pumlumon and numerous Marilynsunderhill17/03/2021
5/7 - cold wet and strong wind - slog over rough ground heading north to reach this summit - eventually you reach a good track running east/westwychwood13/12/2019
From 837952, out and back on good tracks with a short moorland stretch to get to the Top.Moorponder18/10/2018
Really had to push the pace to get this, Banc Bugeilyn and two other Tumps between buses on a 6.5 hour out and back yomp from Mach.Alex C01/06/2018
Second of six Dewey's on a walk just over 15mile in length starting from the memorial NE of Foel fadian. Also taking in first Foel fadian, then from Clipyn Du onto Carn Hyddgen, Foel Uchaf, Banc Bugeilyn and Esgair Greolen.WAYNE ROWLETT30/03/2018
Easy parking by track SW of Bryn y Fedwen. Bryn y Fedwen, Foel Fadian, Banc Bugeilyn, Cribyn Du, Carn Hyddgen, Foel Uchaf, Foel Isaf, Llechwedd Crin.ijpowell07/07/2017
1/4 (Clipyn Du (Tarren Bwlch-gwyn) (Siamb Trawsfynydd)/Mawnog/Pen Yr Allt-Fawr/Mynydd Garth-Gwynian)Fergalh18/06/2017
The first top of a Dewey bagging trip from the parking space next to the cattle grid at 837952. A 5¾km walk along the wide vehicle track, up bridleway & then a short walk to the summit. Continued to Carn Hyddgen, Foel Uchaf, Banc Bugeilyn, Esgair Greolen, Foel Fadian & Bryn y Fedwen. (PM)gerrybowes26/04/2017
Parked at 836952 close to the gate. 1st of 7 Deweys. Good tracks to within metres of the summit. With GBbolton26/04/2017
From the E via Glaslyn and Bugeilyn - good track most of the way.Chris Peart06/09/2016
From the cattle grid 837952. I did a round of Lllechwedd Crin, Foel Isaf, Foel Uchaf, Carn Hyddgen, Clipyn Du and Mawnog. Over five hours but the pathless bits were not too bad underfoot.clivevilla17/08/2016
Foel Fadian, Clipyn Du, Banc Bugeilyn, Bryn yr Wyn, Bryn y Fedwen from start of track at SN837952. Some heavy showers and mist but tops were clear for much of the time.RobertP23/08/2015
From road south of Rhiwgam on long round over 3 Humps and a Dewey. Mostly easy goingColin Crawford22/06/2015
From Rhiwgam - £2.00 to park - no camping now. On bridal paths and broad ridge on tussock around to south of wide valley and to top at 13.50.arranc11/09/2014
From nature reserve, taking in seven Deweys. Saved a lamb from a mud hole near summit of Banc Bugeilyn and had fifty tractors for company on last mile back down track.SS03/05/2014
Walked over from Carn Hyddgen. It looked a long way, but it went quite easily over heather and finally a track a;most to the topjim pererin24/04/2014
GMC walk from Glaslynmike.hoult20/10/2013
Start ~ 828936, A round of Bryn Yr Wyn, Banc Bugeilyn and Siambr Trawsfynydd, at last a fine sunny day!steve hudson11/01/2013
Parked easily at beginning of track to NE. Excellent track all the way apart from last 500m. Plateau few paths - heather.destaylor08/08/2012
An evening sunshine cycle from Glaslyn to quite near the summit. Fab and wide views. When I say 'cycle' I mean I wheel my little Dahon up anything more than a slight incline and wobble and scare myself in descent. Where is the fun in cycling?Martin R30/08/2011
Started from the forest tracks to the west. If you can drive in it only involves 2-3 miles of walking, otherwise a fairly big yomp.DARRENG11/07/2011
From Glaslynpowyswalker21/10/2006
Doing a clockwise circular from Glaslyn over Plynlimon.Alan Moore24/01/2004
Plynlimon Dewey bagging, walk 3/4; Glaslyn track 826936 - Clipyn Du - Foel Grafiau - Foel Fras - Moel Hyddgen - Pen Creigiau'r Llan - Moel y Llyn - Banc Bwlchygarreg - Banc yr Wyn - Banc Llechwedd-mawr - Carn Hyddgen - Foel Uchaf - Banc Bugeilyn - car. RHW14/02/1998
thenomad23/11/2022
AlanD30/03/2019
TK23/02/2018
GaryJones17/10/2017
boxblade03/06/2017
mae17/08/2015
Steve Q02/08/2015
Campbell Singer27/04/2015
Alan Whatley27/12/2014
Kendall06/09/2014
salen20/10/2013
stevent080925/08/2013
chalky195325/08/2013
kanderson05/03/2013
iaindbrown16/02/2013
andrew brown13/01/2013
wombourne11/01/2013
Andy West26/07/2012
maknipe12/07/2012