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| Name: | Pegwn Mawr |
| Hill number: | 2182 |
| Height: | 586m / 1923ft |
| RHB Section: | 31B: Welshpool to Hay-on-Wye |
| County/UA: | Powys |
| Catchment: | Severn, Catchment Boundaries, Wye |
| Class: | Marilyn, Hump, Dodd (500-599m), Dewey, Clem (Ma,Hu,Tu,5,Dew,Cm) |
| Grid ref: | SO 02394 81246 |
| Summit feature: | ancient cairn |
| Drop: | 300m |
| Col: | 286m SN926800  |
| OS map sheet(s): | (1:50k) 136 (1:25k) 214E |
| Observations: | trig point 35m SW (SO 02362 81221) is 1.75m lower |
| Survey: | Leica NA730 Survey of Glanfeinion Hill (Final).doc |
| Change log: | show changes for this hill entry |
| GPS data: | show GPS entries for this hill |
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 220 users, only the latest 50 shown - Show all) | By | Date of Ascent |
| From Cloesffynnon. Permission to park at nearby bungalow. Up windfarm track. Wave from farmer coming down in Landrover. | JGC | 19/03/2024 |
| I could not see anywhere to park, responsibly, at Cloesffynnon. The farmer at Rhiw-felen allowed me to park (with some wheel spinning) on his lane SO007804. Returned to Cloesffynnon and up WF tx to Pegwn Mawr trig. On compass bearing in 10m viz for Crugyn LLwyd, through shed loads of toody blussocks and bog. Of course, once I had reached the summit, I found fair tx back to Hirddywel. Tried to follow the RoW, W, then NW, to Rhiw-felen, but ill-defined, and no waymarkers. Ended up off-RoW on extremely steep, slippery, grass. Would have been better to go anti-clockwise | Isbjorn | 04/02/2024 |
| abbo0001 | 18/10/2023 | |
| Windfarm again, parked at gate and car park near Bryn Dadlau (to the NE). Easy walk again. | iangalbraith | 13/08/2023 |
| Parked at road junction just before cloesffynnon, although there was also space at turn off to Rhiw-felen. Up BW to gate onto access land and up to Crugyn Llwyd. Helped by dry conditions underfoot. Easy going at first across the a bit rougher til reached first turbine. Trig first then Summit cairn. Both a bit of a mess. Back down wing farm track to Cloesffynnon. | PeterD | 07/07/2023 |
| Bag2000 | 01/06/2023 | |
| Clach Liath | 29/05/2023 | |
| siabod | 26/05/2023 | |
| Rob50 | 07/04/2023 | |
| Continued on the Crugyn Llywd | Adrian2 | 18/03/2023 |
| mazz | 18/03/2023 | |
| Parked at the junction of the road to Trinnant. Up the ROW then along a fence line to Crugyn Llwyd. Then across moor and wind farm track to Pegwn Mawr. Track back to the van. | summitter | 28/11/2022 |
| rickeeling | 23/11/2022 | |
| Cycle loop of 4 Marilyns while staying at Rhayader. | davechaffey | 07/09/2022 |
| IainT | 29/08/2022 | |
| richwales | 25/08/2022 | |
| Matt | 05/08/2022 | |
| A long walk around the Pegwn Mawr ridge. Parked at the entrance to the Bronde-fawr forest (SO 047 767). Headed north visiting Brondre-fawr Hill, then following bridleways via Banc Du to the wood at Garn Fach. Headed up onto the main ridge and the wind farm at Galfeinion Hill, north along to the trig Yr Allt West Top. Back tracking to Glanfeinion Hill, and quickly along the wind farm tracks to the cairn and trig at Pegwn Mawr. Crossing rough country to Crugyn Llwyd and the tumulus at Domen-ddu. Back along the forest road, and across the valley via Brondre Fach and Brondre Fawr, finally up through the last forest to the car. Misty with drizzle on and off, so poor views. A total of 35km with nearly 900m ascent, taking 9h 30m. | silverwolf_alan | 30/07/2022 |
| dave g | 27/07/2022 | |
| fionnag | 27/07/2022 | |
| Parked in lay-by just east of Felin. | Stevooo | 17/06/2022 |
| From approx 047 816 across various up&down tracks. Better route down east and pushing through a small bit of forest, not too dense, to reach track back to car | vegibagger | 04/06/2022 |
| beckybags | 23/05/2022 | |
| A Peckish | 23/05/2022 | |
| Parked at junction of road to Rhiw-felen ( SO 0077 8047 ). ( we did Crugyn Llwyd first ). Boggy & hummocky crossing to Pegwn Mawr. Fine viewpoint, with Snowdon visible. | DanMaisieBex | 26/02/2022 |
| 08:30, 1 degree (6 later), summit in mist but rising to give a day of sunny spells with light southerlies. Easy ascent from lane SW of Cloesffynnon. Four wind turbines on motor power, the rest idle. One turbine shut down then started up again. | Wycombe Wanderer | 18/01/2022 |
| Parked as per Ronaldo333 and followed the track up to the ridge. Far reaching views. | Peterb | 16/10/2021 |
| From road junction shortly before Cloesffynnon. Can squeeze a car in at the side of the road on the junction. Walked up through farm and followed good track most of the way to summit. A couple of grassy fields takes you to the trig. All gates unlocked. | KeithByTheC | 04/10/2021 |
| Park plantation entrance so 04647677 tracks north to brondre fawr then cross country via banc gwyn, north west to pegwyn mawr, crugyn lwyd avoiding wet ground, then south to domen ddu return by contouring cwmderw and cross at faullt and back on to tracks at fowlers armchair cairn | underhill | 14/12/2020 |
| Pegwn Mawr [10344] > Crugyn Llwyd from GR: SO 00780 80468. Good parking spot away from the farm. | ronaldo333 | 11/10/2020 |
| Pegwn Mawr [10344] > Crugyn Llwyd from GR: SO 00780 80468 | Hippster | 11/10/2020 |
| Barry Smith | 07/10/2020 | |
| From Cloesffynnon Farm up the track. Farmer greeted with wry smile as I asked where to park... 2 baggers in 2 days... 1/3 Rhayader Marilyns | N.Morters | 29/09/2020 |
| From Cloesffynnon Farm where farmer is friendly and helpful. Tracks to trig and cairn. | NormanW | 28/09/2020 |
| jamesdavies91 | 19/09/2020 | |
| ARC | 12/09/2020 | |
| andy63 | 10/09/2020 | |
| night visit during crossing from borth on coast to anchor on english border, as short distance from pillar, bright in full moon. | richardrosser | 04/09/2020 |
| ketzster | 08/05/2020 | |
| Cycled up from the south side. Misty on the top and the din of wind turbines! | brandybordeaux | 27/12/2019 |
| From farm at 008806, parked there with permission. Easy tracks up to summit wind farm. Descended in twilight. | Topographer57 | 08/09/2019 |
| try9fan | 17/07/2019 | |
| From Cloesffynnon, with permission. | Winterfloodian | 09/07/2019 |
| TREBORK | 28/04/2019 | |
| From Chapel Car Park, SO0006780152, 4.5m circular, lovely weather and good views. | Jephcote83 | 19/04/2019 |
| AlanD | 03/04/2019 | |
| manilena | 24/03/2019 | |
| jaizinho | 04/11/2018 | |
| Windmill overload but still a very pleasant gradual walk up from Newtown. | Alex C | 02/11/2018 |
| From Y Foel. A steep climb up bracken to pt479 and the broad ridge, followed by the road to the top. Down to Cloesffynnon farm on nice farm track. | Alan Moore | 10/10/2018 |