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Name:Crug Gynon
Hill number:3502
Height:525m / 1722ft
Parent (Ma):2203  Drygarn Fawr
RHB Section:31C: South-West Wales
Nuttall/Wainwright area:Central Wales - Elan Valley
County/UA:Cardiganshire [Ceredigion]
Catchment:Catchment Boundaries, Towy, Wye
Watershed:Severn Estuary, Cardiff to Cape Wrath, Carmarthen Bay
Class:Dodd (500-599m), Dewey
(Tu,5,Dew)
Grid ref:SN 80161 63810
Summit feature:cairn
Drop:66m
Col:459m  SN808635  
OS map sheet(s):(1:50k) 147
(1:25k) 187N 200W
Survey:obvious summit
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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 52 users, only the latest 50 shown - Show all)ByDate of Ascent
Crug Gynon > Pt. 479m > Dibyn Du from GR: SN 76988 65562.ronaldo33313/05/2023
Crug Gynon > Pt. 479m > Dibyn Du from GR: SN 76988 65562.Hippster13/05/2023
From Tyncwm to the west where there is parking for four cars. Good track and path almost to the top. Then on to Dybin Du.Campbell Singer21/10/2021
Parked at 769655 for a circuit of Bibyn Du and Crug Gynon. Mainly sheep paths and ATV tracks once off the main track.PGCE11/08/2021
Camped near summit after a very wet dayBannor09/08/2021
From dibyn Du via point 479 then on to south top and Moel Prysguaunderhill05/05/2021
Medium cairn on tumulus-mound. Wild ancient feeling place with extensive views on clear cool sunny day. After wildcamp by Lake Gynon and onto the bog then brash of the forest to SEDenise 16/04/2021
From small car park at Tyncwm (SN769655) along RoW past Garreglwyd to watershed (SN792643). Then along good ATV tracks to Crug Gynon, retracing route to SN 792643, from where again decent ATV tracks take you around east side of the marshy area along a minor ridge then up to Dibyn Du. Return W side of marshy area and down to outward RoW near Garreglwyd and back to Tyncwm. 11km with 450m ascent in 3h 30m. (S)silveracorn_alan31/07/2020
As gerrybowes.Moorponder14/07/2019
Filled in some gaps starting at 769655 and visiting Esgair Garthen first then back to Crug Gynon, Crug Gynon Crug Gynon S Top, Pen y Tywi, Pen y Tywi S.Top and finally Pen-y-bwlch on the way back. About 13.5 miles and about 5 and a half hours. The weather had been fairly dry but there wwere still quite a lot of boggy and pathless parts.clivevilla12/05/2019
Last Dewey of four on a 17 mile walk from the dam car park at the Claerwen reservoir. Route took in Craig Fawr then over open ground to Craig Dyfnant before dropping down to the path around the reservoir to the far end then once again over open ground to reach Dibyn Du and finally Crug Gynon.WAYNE ROWLETT05/05/2018
AloneRob Pen y Garn03/02/2018
Small parking area at Tyncwm at 769655 (Space for 3-4 cars). Up centuries-old trackway to Garreglwyd & then ATV tracks to within 90yd of the large summit cairn. Continued to Dibyn Du. (S)gerrybowes17/11/2017
Walked up the excellent track from Tyncwm past Garregwyd, then onto Crug Gynon, round the Llyn and up Dibyn Du. Almost all on ATV tracks. Dropped down to the path below through ancient hawthorns.Neolith14/05/2017
Parked in small designated area at Tyncwm than followed track to Garreglwyd where it becomes decent ATV track almost to the cairn on Crug Gynon. Retraced steps then headed north again following ATV tracks before ascending Dibyn Du. Came off to north and picked up track down by Nant Egnant to car.SS15/04/2017
9/14 Ninth of fourteen on Long Hill bagging day (Esgair Cloddiad/Coed Nant-yr-hwch/Gamallt/Esgair Gelli/Cefn Isaf/Pen Carn Saith-Wraig/Pen y Gurnos/Y Glog/Crug Gynon/Esgair Garthen/Crug Gynon South Top/Pen y Tywi/Pen Y Tywi South Top/Esgair Saeson)Fergalh06/08/2016
Continuation of walk from Esgair Wen. Followed various ATV tracks and sheep paths over higher ground south, avoiding most of the bogs, traversing Banc y llyn. Then down to cross Nant Brwynog - deep, and slightly tricky. Then up north-east ridge to summit. To descend, followed ATV tracks down to Garreglwyd, then outward track back to lane-end. solo.Man of Kernow130/05/2016
From Dibyn Du we followed height of land first S then SE, mostly quite easy with grass and later quad bike tracks. A nice summitAlanD20/03/2016
As part of a circuit of Disgwilfa, Graig Felen, Esgair Wen, Dibyn Du, Crug Gynon, Crug Gynon South Top and Pen-y-bwlch starting at 76984 65568. The circuit was over tussocky grass and peaty ground, if the weather hadn't been dry for the past few weeks this would not have been achievable.JohnStoneham08/09/2014
Parking for 5 or 6 cars to east. Good track then path. Pretty much get all the way without tussocks.destaylor26/07/2014
Start ~ 769655, Tyncwm. Tiny car park, followed good track up to Garreglwyd then turned north to Dibyn Du. going was tough in places, tussocks and bog, real Welsh Dewey terrain! Then headed SE skirting Lyn Gynon to Crug Gynon, more tough going, return to start on the RoW. With Wombourne.steve hudson12/06/2014
Parked at Tyncum, GR 769 655, room for 4 or 5 cars. Followed good track E to Garreglwyd then turned N crossing bog and tussock grass to Dibyn Du. Descended SE to skirt Llyn Gynon, more bog and tussock grass, then up to Crug Gynon summit. Good views across Llyn Gynon. Even more bog on way back to track and car.wombourne12/06/2014
desparate tussocks en route from dibyn du, pleasant summit. s end of llyn egnant 147:791666: avoid marshes & keep to highest ground RHW20/09/1998
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