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Name:Arenig Fach
Hill number:2063
Height:689m / 2260ft
RHB Section:30D: Barmouth to Betws-y-Coed and Bala
Nuttall/Wainwright area:The Arenigs
County/UA:Gwynedd (CoU)
Catchment:Dee (Flint)
Class:Marilyn, Hump, Simm, Hewitt, Nuttall,
Buxton & Lewis, Bridge, Clem, Trail 100
Grid ref:SH 82030 41596
Summit feature:boulder 5m SW of trig point
Col:395m  SH785387  
OS map sheet(s):(1:50k) 124 125
(1:25k) OL18E
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, and mention the hill number and hill name.

Logged Descriptions  (logged by 346 users, only the latest 50 shown - Show all)ByDate of Ascent
From north end of lyn straight up steep fence line then path disappeared and a real struggle from there on. Does this mountain have no paths ? And why is this the Trail 100 and not Arenig Fawr?Mark Sims07/07/2019
from jcn of A4212 and B4391. Some deep heather.IanHHill27/05/2019
from llyn roadside nutall start, pen garneddwen, foel boeth, brottos, carnedd filiast south top, wauncarnedd filiast, carnedd filiast, llechwedd llyfn, carnedd llechwedd llfyn arenig fach back to rd via ffridd maes y tailunderhill28/04/2019
Approach from CP to SE by Llyn Celyn. After Bryn Du I followed a fence, by which is a'path'.ger26/02/2019
Circuit from Llyn Celyn via Waun Garnedd-y-filiast, Carnedd y Filiast, Carnedd Llechwedd-llyfn and Arenig Fach. Sunny.Winterfloodian14/02/2019
From lay-bye on A 4212 to the south. Through gate and short track then across a couple of fields to reach fenceline that was followed almost to summit. Rain for much of the walk. Poor underfoot with heather and wet cobbles. With Val for first half of route then solo to summit.mike.hoult08/08/2018
SoloAimless Rambler24/05/2018
From parking area on road SE of hill. Track up past dwellings to pen, then across stream onto grassy track up onto and along Bryn Du, then over a stile and alongside a fence as far as its first dip, then left up through some not too gruesome heather, above which animal tracks lead towards the summit.Topographer5710/05/2018
A lovely easy walk at the start, along the track from the big car park on Llyn Celyn past Craig-y-ronw and Fridd Uchaf. A good grassy ATV track leads up to Bryn Du (nice views) and along to the fence below Arenig Fach. After that, it's a steep and gruesome walk up the fence on a sort of path through deep heather, and then a lovely summit with superb views. There's a vague path down sticking more to the high ground above the fence, which is better until back close to the fence, although it comes and goes a bit.Gill19/04/2018
Llyn Celyn through forest to footpath via Nant-y-Coed to Waun Garnedd-y-Filiast to Carnedd y Filiast to Carnedd Llechwedd-llyfn to Arenig Fach. Descend via east ridge to Llyn Celyn. Clear weather, but cold and windy. Saw nobody all day. Walked solo. Once past Carnedd y Filiast, the route was mainly pathless and very rough going ... bogs and tussock grass! Arenig Fach a nice wild mountain with a fine corrie tarn, though the others were rather forgettable lumps!jamessteel10005/04/2018
1/5 (Arenig Fach/Mochowgryn/Mynydd Egryn South Top/Mynydd Egryn/Craig Y Penmaen)Fergalh24/02/2018
CP at the junction of A4212/B4391, walk 200 metres to an access gate, it's not that bad but beware the boulder fields, lots of hidden gaps.bardolph27/09/2017
As part of Nuttall walk 6.2, with Penda. 6.5 hours, a punishing flog through deep heather up, and through bogs down. Great views from top however. Exhausting! Didn't appreciate the farmer who put barbed wire at the bottom of the fence I followed down, just the right place to snag my gaiters and scrape the dog. Idiot!beorwulf08/07/2017
From the A4212 lay-by near the Nant yr Helfa. A bruising little route through heather and whortleberry overlaying rocks, largely following the fence above Llyn Arenig Fach. Superb views onto that hidden lake and across southern Snowdonia compensated.Nick Down109/06/2017
Parked car at junction of B4391 and A4212 and took the lane and footpath to GR826400. Took the signposted 'Tir gofal' route but it's quite difficult to follow, especially once you're through the wall and into the heather/billberry. Very windy on top. Took the fence South East, also slow going until you turn East and follow the old fence posts. Took the footpath/lane back to the car.tsharp06/06/2017
Took Karen to do this nuttall the last for us in the Arenigs. we parked in the layby at top end of lake and went past the farm for 300m before taking a compass bearing to the llyn. taking the south route we headed for the fence in low clag freezing mist. we hit the fence and followed the fence like above the crag and made way to both the cairn and trig point. no views. we returned the same wayAristotle Chip23/11/2016
444th (soon to be 445th) final English & Welsh Nuttall. Joined by 12 other friends/family and hill bagging buddies in strong NE winds, cloud and the first snow of the year. Thank you everyone for taking the trouble and time to enjoy chocolate biscuit cake on the summit, then whiskey and cake in the car park in what where less than ideal conditions.SteveSmith06/11/2016
Steve Smith's 445th and final Nuttall. thirteen of us braving the slush laden north wind. Not nice place too be for a November Sunday lunchtime. but good company, quick celebration and drinks and cake kept till back in the calm at the cars in the lay by.vegibagger06/11/2016
With Steve and hill-bagging buddies on his final E/W Nuttall.GinaSmith06/11/2016
On Steve Smith's Nuttall completion party. From parking area W side Llyn Celyn. High winds with much sleety snow.jonglew06/11/2016
My first Nuttall and Steve Smith's final one! A great experience to join Steve on his 444th and final nuttall. I hope you had better weather for the other 443! The route was tricky as we had to negotiate a tricky pathway following a fence. There were vey strong winds and snow/hale, so much so that we had to celebrate Steve's mile stone at ground level. A very memorable and enjoyable day which will be remembered for a long time.Simon110006/11/2016
Nuttall completion on one of the toughest hills in North Wales, in November? Yep, it certainly lived up to it's billing. It wasn't until I'd sat right by my wood burner for half an hour back home in Rhos that I finally started to warm up again.Twice Shy06/11/2016
I can gauge how frequented a hill is by how terrified the sheep are. On Arenig Fawr earlier, they reluctantly stopped eating for a few seconds as I passed; here they fled when I was 200 yards away. From road junction to south. Toiled straight up through deep, energy sapping heather in the heat. The terrain would give most of Scotland a run for its money. Found a path on descent that terminated abruptly near y Foel and had an even longer hack back. 1 hour 45 mins.Wycombe Wanderer15/09/2016
From the layby. As David Gradwell says below,it's just you and the heather. Arenig Fach gave me a good harvest of bilberries and OK views but it's charms eluded me. Definitely one to avoid.David Bell07/09/2016
Parked in layby to SE as others at SH 82981 40018. Walked west c300m along broad grassy road verge to start of permissive path at SH 82613 39998. The path isn't shown on usual OS maps but is shown on OSM Cycle and OSM Land maps that can be viewed on the excellent Wheresthepath website. ( The path is clearly way-posted to gate/stile at SH 82344 40343 then its just you and the heather!David Gradwell22/08/2016
Walked up from the layby, through gates and over wall before steep heather slope before a more gentle amble to trig and summit.Dugswell205/04/2016
As per Nordicstar. Gate in Lay-by is at 82980 40011, Stile is at 82019 40311, where the top boundary wall drops in heigh and is topped with a fence.tim74723/02/2016
Very wet and windynicolajane02/12/2015
Very windy and wet. Most direct route from the main road. Mostly ok apart from some deep heather on the steep ascent.jenx12/11/2015
With Jenx from good layby on main road GR828400. Through gate and another to open fell. Across a wall using stones set in it for crossing and steep heather over rim of hill to minor top at 600m. Then easy lines across the moor through mist to summit. Very wet and windy for added fun.nordicstar12/11/2015
Parked at car park south-west of hill, walked up B road to gate, took gates and gaps through fields and through an old sheepfold to gain the open moor, struggled through heather up the west side until reaching the great summit, great views, returned the same way, hard work to climb but well worth a visit, it isn't that bad, don't let the heather and the reviews put you off!DanTrig17/07/2015
Did the full Nuttalls walk. A tough ascent through the heather etc. Recommend you follow fences to reach the top of Arenig Fach. Might be longer but I think it will be easier than what I did!!!johnjennison28/05/2015
Nuttall walk 6.2: Foel-boeth - Carnedd y Filiast S top - Waun Ganedd-y-Filiast - Carnedd y Filiast - Carnedd Llechwedd-Llyfn NE top - Carnedd Llechwedd-Llyfn - Lechwedd-Llyfn - Arenig Fach. Agree with other comments this is not a good walk.ronaldo33325/05/2015
On own. Straight up and down using permissive path from 827,400. Intermittent vague path beyond fell wall. 2 hours total.Crib Goch19/04/2015
with Ann-Cha and the boys. from main road up permissive path to stile and onto the ffridd / open access land. We followed the wall westwards and walked parallel to the brooks in a NE direction to gain the saddle on the ridge. This avoids the worst of the heather and tumpy grass! There's a quad track worth following which leads towards the summit. SOTA activation and fabulous clear views of all the mountains of EryriM0YDH04/04/2015
No fun at all walking over from Carnedd Llechwedd-llyfn. Wet, wet and more wet and no view from the summit.simocity25/01/2015
Walk with Simocity taking in Carnedd y Filiast, Waun Garnedd-y-Filiast, Carnedd Llechwedd-llyfn, Arenig Fach.jim_aramis25/01/2015
walked from Rhyd y Fen. Misty on topDewi Prysor28/11/2014
From Road adrianturner16/11/2014
From Road. Done in mist so no view. Lakesgirl16/11/2014
Quite possibly the wettest conditions under foot we have ever experienced - right rough crossing and just when you think you are safe you have to pull yourself up the steepest of paths beside the fence. Fair did me in!nickywood110/10/2014
CHAOS Club meet..Neil, Andy, Steve and guest Frank..Nuttalls walk 6.2 on a hot clear day..too much walking knee deep in heather at the end!Lou08/08/2014
With Lindsay Shaw & the CHAOS Club taking in Waun Garnedd-y-filiast, Carnedd y filiast, Carnedd Llechwedd-llyfn and Arenig Fach.knarf08/08/2014
Easy walk from the lake.denisB5203/05/2014
River crossing from Carnedd y Filiast - Improving weather to summit. With Alan HClachaig07/04/2014
Direct from Mochowgryn. The ground was a lot firmer than I'd been led to believe, possibly due to the frost.JohnStoneham24/03/2014
My last Arenig! Made my way up from Cae Garnedd layby through mist and thick frost. Magic!! Amazing patterns of frost on the stones and the ferns.ruthatlast30/01/2014
with PhoebeTeasyChris03/09/2013
Probably the worst ascent of a Welsh Nuttall. Heather, rocks and no path. Hard going. Nothing like Nuttall says.bolton13/08/2013