Name:Rhialgwm
Hill number:2131
Height:540.5m / 1773ft
Section:30E: Bala to Welshpool
Classification:Ma,Hu,Tu,5,Dew,Cm,Ma,Hu,5
Drop:220.5m
Col:320m  SJ 0415 2167  
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GPS Data
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Entry no.Date recordedGrid Ref.Feature / Observations / SurveyRecorded byStatusSubpointLatest review
4209022/02/2024SJ 05496 21176  F: ground 7m WSW of trig point
O: ground 10m WSW is of similar height
S: 1m LIDAR
jimbloomer
Summit
Jim
-857805/04/2009SJ 05502 21177  F: ground within 2m of trig point
O: ground 15m WSW just lower
S: Abney level
PDC
Subpoint
1Jim
-857908/12/2003SJ 05503 21181  F: ground within 2m of trig point
O: ground 15m WSW just lower
S: Abney level
gvjackson
Subpoint
1Jim
-858030/08/2011SJ 05502 21177  F: ground within 2m of trig point
O: ground 15m WSW just lower
S: Abney level
P&EH
Subpoint
1Jim
-858121/10/2011SJ 05505 21180  F: ground within 2m of trig point
O: ground 15m WSW just lower
S: Abney level
jimbloomer
Subpoint
1Jim
-858225/02/2012SJ 05504 21179  F: ground within 2m of trig point
O: ground 15m WSW just lower
S: Abney level
Dugswell2
Subpoint
1Jim
2525/02/2012SJ 05504 21179  F: Ground 2 meters east of trig. GPS gave height of 543 meters.Dugswell2
Extracted
GG



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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 217 users)ByDate of Ascent
Cwm Hirnant [Cwmwr Isaf] -Pt 354 - Rhialgwm and back. Easy paths and track up to 200m from Summit, then rough heather and tussocks. nice countryside.IanHHill20/05/2024
Boncyn Melyn > Rhialgwm [Rhial Gwm 10339] from GR: SJ 06007 22618ronaldo33318/02/2024
Boncyn Melyn > Rhialgwm [Rhial Gwm 10339] from GR: SJ 06007 22618Hippster18/02/2024
Parking on S verge 100m W of Cefn, SJ056225. Vehicle tx to end of forest at SJ0545821579, from where an ATV tk wends up to a seat memorial at SJ053213, over non-BW fence here, then exasperating trackless knee deep veg, thankfully not far, to trig. There were no FPs at the trig, so needs more boots please. (NB the S side C class road, is NOT metalled E of SJ052204 and becomes deeply rutted at about SJ060209 and there is nowhere to turn around. The only parking place, is the soft ground turning point at the end of the tarmac, SJ052204, so not a recommended starting point when it is so easy from the N)Isbjorn06/02/2024
Like PeterB. Route works well. Bracken deep but a trod through it. 1:25k shows a track above the wood to the summit area- which is rough but doable on the ground.Moorponder23/06/2023
Parked at the cp at lake, 4 pound for all day. Path east of summit impassable due to fallen trees and land slipStevooo10/06/2023
On cycle from Llanfyllin to Foel Cedig. Lovely spring day. Left bike on road!davechaffey12/05/2023
Same route up as Peterb, except I went via Clawdd Mawr.PeterD02/04/2023
Please follow the instructions given by Peterb. I mistakenly thought I could see signs that someone had managed a way through the fallen trees. It was purgatory and after much flailing about I managed to escape the woods and pick up the route Peterb described.KevPalmer20/02/2023
Having read the last few reports here it was with some trepidation that I decided to visit this hill today. I shouldn't have been concerned. After parking at SJ053205 it was a pleasant walk to the gate past all of the blown down trees on the above slopes. Once through the gate a second gate on the immediate left gives access to pasture. I followed this up to where the bracken was lying brown and flat having had a full winter to allow easy access, there were even sheep tracks to follow. One BWF was crossed without difficulty then another fence gave access to the hill. The heather was high but not a problem at all and once again a faint track was occasionally found. At the trig the views were fabulous. Definitely a hill for the winter.Peterb09/02/2023
Second Ascent. Parked 0524 2045 with space for a couple of cars - last section of the road past the farm is very rough. Easy flattish track up valley to end of forestry. ROW up through forestry is completely impassible with fallen trees. Above the tree line the track shown on the map is non existent. This section is very rough, initially deep bracken, then deep heather. Good view of the Berwyns from the trig.PeteF30/12/2022
Parked the car at the end of the minor road to the south 05298 20479, walked the track heading North East till I reached a gate turned left through a gate and headed up hill through the bracken where a trod has been stamped down to reach a stream and a fence, stepping over the fence I follwed the stream to above the plantation on the left, from here its a bracken/heather bash to the summit trig of Rhialgwm. Retraced my steps back to the car, Two and Three quarter mile in Two hours. (Supposed to take an hour and twenty minutes, I went this way to bypass the plantation which is completley impassable)WAYNE ROWLETT29/10/2022
Rhialgwm from the SW. A revisit to bag it as a Dewey. Having visited it previously in 2018 to bag it as a Marilyn without difficulty, I thought it would be a straightforward ascent. How wrong I was!! The RoW was impassable due to fallen trees and brambles. So, I took the alternative route through the gate and up the mown field, which only led to chest high man eating bracken. A major battle then was played out with a combination of bracken, fallen tree, and knee deep heather, at the same time as being bombarded by a swarm of man sucking flies!! Eventually the trig was reached. Determined for a better descent, I worked my way across to Clawdd Mawr, from where an easy route down grassy fields (not access land) brought me back to the forest road without further incident. Just 6km with 300m ascent taking a long and hard 2 hours! Not coming here again!silverwolf_alan06/08/2022
From Cefyn, up forestry track then lots of heather bashing to summit following SW side of forest / fence. Should have come back the same way but tried to go back to the stream - too much bracken, avoid!twg2724/06/2022
From minor road to SW. Drove to and parked at Y junction where PFP goes R past a barrier. No barrier on road, which continues rough but driveable. Marked PFP up through forest is blocked by very extensive wind-throw, so as JulieB, climb up field beyond the gate, across stream and overgrown grassy track to summit. May be easier to climb from N is summer due to bracken in field beyond gate.Minto29/05/2022
From road to the north, parking opposite Foel-newydd. Forest track then over gate into field and followed forest edge to the open fellside. Rough heather to summit. Solo. I then followed forest edge to Clawd Mawr.Dangerous Dave26/05/2022
From north near Cefn, could have driven up forestry track to high parking area since gates wedged open.. an old fella was sitting in his car up there. Followed track to col, detour to Hill fort ditch, slong east ridge then descent north down steep tussocky slope back to main track. Superb viewsNick Canute05/03/2022
SOTA (amateur radio) activation done and qualifiedGW4BML04/01/2022
From end of minor road to the West (room for about 3 cars max) 1km along track to gate where others have parked. Ignore PROW up left of river as many fallen trees. Go through gate then left through next gate. Head up hill through bracken (easy at this time if year) to bwf. Over bwf picked up contouring path to col above steep bit of river. Over stream and pick up remnants of a track/animal path to summit. Returned same route. 3.3miles 3hr 32 walking time. Met KeithbytheC just before summit.JulieB29/12/2021
From Clawdd Mawr. Descent by fence ok, then rough going until near top. Returned to col and descended se on brackeny slopes of Clawdd Mawr. KeithByTheC29/12/2021
park 0633 2100 track from west just drivable used row path visible then when out of plantation parhs come and go however visible path when on ridge take care with ruts in 'track' whch you cant see in dense trashunderhill23/09/2021
Parked on minor road to north nr Cefn, followed forestry track to south of Boncyn Melyn then short but rough going ascent to summit. Splendid views. Rough and later boggy descent NEwards to stile on edge of forest from where track is picked up again. Track shown on OS south of trig appears none existent.steve_a04/08/2021
From the south east. Marked path looked overgrown so I ascended into the field on the east side of the stream. The bracken got taller and taller, and the ravine was deep with bad ground higher up. Returned on marked path, overgrown with brambles but preferable to head high bracken.Topographer5716/07/2021
For the 4th succesive day, I went up a hill on the same day as Topographer57. From the good parking space at 053204. Abandoned road then marked RoW- it is possible to follow to just S of HP but expect the fight (I could have done with orienteering gear) described by elizyanne and ger. Should have done it in April (but covid lockdowns then) when less bracken etc. A 3-day blitz-bag of 7 neglected Ma, saw no-one on them in fine, warm weather. This one had limited views of Snowdonia but opened up to Shrops and Herefords hills.pwheeler16/07/2021
Parked at track junction by cattle grid, 063 210. back along track for approx 100yds to PRoW and up.CJM18/09/2020
A shortish out and back from the end of the minor road.rhalstead12/09/2020
From the good parking at 095230 to the East. Easily on forest roads and farm tracks to the heather and bracken Even here there are paths to follow all the way to the summitclimbingkershaw24/08/2020
Parked at 053204. Easy enough path then tracks through Heather. Windy.NormanW12/03/2020
From end of tarmac, up through forest and rough ground to summit.richardrosser15/10/2019
After coffee and cake at the Vyrnwy Dam VC. As others followed forest track after the end of the yellow road from the west. Parked at junction (SJ 063210) beyond path start. Path up to top of woods ok. Then it was very overgrown across the hill to the summit. With elizzyanne. Returned same wayGmacT01/08/2019
Path deteriorates as you go up to the stage of battling through heather, bracken and tussocks.Blessed is the view of the trig point when you start to lose the will to live in the heat!. Hill number 500 for me!!!elizyanne01/08/2019
From E. Good parking at road end 095 230. With Clawdd MawrPeteN01/08/2019
As others followed forest track after the end of road..with care... parked at cattle grid beyond path start so took the open slope out of the wood with is overgrown with bracken at the upper section. Returned via the overgrown but much better path in the woods. 3/4 evening walkN.Morters10/07/2019
A proper mini-mountain, with forest, streams, and open hillside - a great reminder of why we do the Marilyns. Great views on a fine spring day. Plenty of heather too!huwthomas24/02/2019
Marilyn Walk 133. Rhialgwm from the SW. 5km taking 1h 30m.silveracorn_alan25/09/2018
Approach from end of yellow road to SW. When out of forest, mapped track is very overgrown, but, best to stick with it, or drown in deep bracken. Good summit views. (5km, 240m).ger25/09/2018
As Gill. Beware the gate at the top of the forest it has a broken post and falls on you when unlatched.Lionel Bidwell12/08/2018
Parked in turning point where public roads meets the on forest road SJ 052204. Operated ham radio for SOTA on summitG4OBK (Phil)13/01/2018
Parked by cattle grid on forest track (driveable with care even in a T-reg Fiesta) at SJ063210, then slogged through deep snow to summit.Tony J16/12/2017
It's possible to get even a Golf (with almost no clearance) over the potholes on the forestry track and park below the footpath, at the track junction by the cattle grid. Easy, steep going up the path through the forestry, with all deadfall amenable to limbo dancing or avoidance. On the moor, there's an overgrown track almost all the way to the top, and a small path fills in the 100m gap to the trig.Gill04/12/2017
Parked in forest access track at 044189 and then along narrow road/track to end of forest. Then NW up on intermittent track to gate and across, heather bashing, to summit. Very windy, cold but reasonably clear.MichaelF23/11/2017
SOTAmike.hartley09/09/2017
9/10 (Allt y Main/Galt y Goedhwch/Allt y Gader/Moel y Fronllwyd/Pen y Berth/Domen-Gastell Hill/Das Eithen/Clawd Mawr/Rhialgwm/Cilhaul)Fergalh12/08/2017
This one was hard work to say the least. The positives: found some good off road parking at SJ 04361 19919 where some dog walkers told me they regularly used. And the views from the top with the heather in flower were excellent. The negatives: my route! Walked NE up the track but when it reached the end of the pasture I cut up steeply through the wood onto the track through the middle thinking it would give me a more gentle ascent. Don't. It is overgrown and uneven. On exiting the wood onto open land I failed to find any real track but found instead boggy ground, ferns and other tricky vegetation. Very tricky walking with a tugging dog in one hand. When I let him off he's get lost in the ferns but didn't seem too bothered. Back down was easier but never found a track. Once into woods descended via the FP which would have been a far better way to go up.Father Ted12/08/2017
Laboured a bit up to this one through the long heather in the dark after having been on the go for nearly 12 hours today.Alex C24/02/2017
With Trefor. Parked on track south of summit where it begins to seriously deteriorate. Followed track until near end of forestry then up steep track. Once out of woods a faint path led almost to summitmike.hoult24/08/2016
Morning stroll with Minnie, parked at track jn 064 210, up track to jn with path up Llwybr Heulen to fenceline then up to Clawdd Mawr,top? in trees difficult to find,continued round fenceline to high point then heather bash to Rhialgwm top/trig, great views, down via vague track/sheep path then path back to jn. sunny & warm.apricorum13/04/2016
Parked at end of adopted road to Pentre-aber-marchant at junction of forestrv (SJ0523820446) Straight forward bag along forest track (ignore any unmapped left turns on first part of track) then left and round up footpath/track all the way to summit. Easy enough return as well if stick to reverse route. I took the direct route due south expecting to find a firebreak to route through forest. I did not but it was not too dense. A more fun descent but a bit too steep (hard work) for ascent.mntainman26/02/2016
From carpark on B4391 at Penybontfawr at SJ 08825 24544. South to Bwlch Greolen then along the ridge to the top.Alan Moore06/01/2016
With Jenx from the road end, easy access and good track through part felled woodland. Leads to gate then part old track part sheep track which lead quickly into summit. A dry day at last after 10 weeks of wet days. Lovely spot at the trig.nordicstar28/12/2015
Wow... It didn't rain! Some fallen trees on the track but all passable. A good little hill.jenx28/12/2015
Parked at 054204 and walked to cattle grid. (Those with robust cars could park here.) Ascended steeply beside the stream in the field (right of way in the forest looked like a fight) up onto the moors were a faint path lead to the trig point. Fine views on a beautiful spring evening.mindlessflogger21/03/2015
From forest track end (041214) taking tracks to CROW land on north, then up fence and over some heather (not too bad). Came back to east and round south of hill on forest tracks (lots of felling).SS06/07/2014
Parked at the end of the rough forest road from Abertridwr. With GB.bolton24/06/2014
Parked by cattle grid E. of summit (063210) - Followed RoW up through forest - Through gate at top of forest and then W. along track to summit. (PM)gerrybowes24/06/2014
with Jamie and got my exhaust caught by a branch on the forest track I decided to drive up, which yanked off middle section pipe of exhaust, eventually costing me about £70. Ouchvegibagger28/05/2013
From N (15:25) along bridleway on map which is now a forest road. From bend at 016256 went SSE to corner of forest - now felled - then straight up to summit. Deep heather on plateau, hard going. Cloudy but dry. Finish 16:45dbb24/05/2013
Abandoned car in snow drift on minor road to South. Followed road and then a good track up though forest to open land above.tim74716/01/2013
G MyIdris31/10/2012
G Mymaryjdavies31/10/2012
from south - easy ascent in sunshine - brill viewsgigglejon12/07/2012
Lovely morning in mid Wales recording my first P150=+ of the year Rhiaigwm. Done by parking due south then using forest track to gain footpath to head for summit from the east.Dugswell225/02/2012
from near penygarnedd, along forestry tracks initially then up open pastures to heather top. some snow, some sun SOME view!!stig_nest19/02/2012
Parked at SJ 044 201 and walked North easterly up the lane before following footpath to top.heavyhorses20/12/2011
Short steep climb from the decaying road to the south. Parked at SJ 064 210 Good views at 9.15amsignyred20/06/2010
Start~ 055205. Walked further up the badly disintegrating lane and took the RoW track up through forest. The track actualy diverts off the RoW at the edge of the forest and climbs directly to the summit.steve hudson09/12/2009
Walked with SH. Parked about 1m E of B4396 along narrow lane in forest. Followed forest track NE then signposted RoW N steeply up through forest and out onto open heathland. Followed path to trig point on heather covered summit. Dry but cool breeze. Goodwombourne09/12/2009
From North. Lovely hill until the last 500m where the heather and other stuff makes hard going.destaylor12/05/2009
Nice walk along forest track to the southwest going to southeast of the mountain before climbing the marked footpath steeply. Once clear of the forest there is a 4x4 track heading roughly NW from which the trig point is clearly visible 100yds or so to theclivevilla11/04/2009
Alan, Otis,FrankGlenford30/12/2008
Track from N along forest in parts. Rough heather higher up. Trig at summit covered in millipedes!Aye Jimmy09/05/2008
A TRICKY SECTION OVER THE STREAM AND FENCE IF APPROACHING THE SUMMIT FROM THE EASTDARRENG24/03/2007
From Gwreiddiau. An exercise in forest route finding.Eddie10/06/2006
Trig revisit, nice rock/grass/heather summit, decent viewRHW01/04/2006
Parked at end of road to S. Came up through forest top heathery top via paths. Cold but sunny.robphys30/12/2004
http://tomread.co.ukm1eyp23/12/2004
Galltywenallt31/05/2003
From the road south of the summit. Through woodland and up to a path running over the ridge. Then up to the trig point summitChinnockC11/04/2003
Start at 350m on bridal track up hillside, through gate over fence to a sea of virgin heather swamp. To top at 14.45. Swirling cloud hid the view.arranc02/06/2000
Last of 6 marilyns in a dayChris Pearson13/06/1999
Date is first visit. Notes from later...700th Marilyn: shoulder-length bracken could be avoided by taking high line, v boggy at col, fine summit with gorgeous view SE. from road @ 125:068213 RHW12/09/1998
With Claire.MickyRoss07/09/1996
petey01/01/1990
From SJ 060 225. 2000?summitsupblank
Ben Rinnes10/06/2024
dave g01/05/2024
fionnag01/05/2024
richwales28/09/2023
Mark65Evans30/08/2022
andy6306/03/2022
neilsan06/10/2021
m0jla09/07/2021
ARC09/10/2020
Crumblie208/09/2020
Barry Smith13/07/2020
Alan Caine05/08/2019
TREBORK05/08/2019
rogreeves19/02/2019
CodyleCoyote19/02/2019
outlawcatcher10/10/2018
A Peckish29/08/2018
beckybags28/08/2018
needanewdog24/08/2018
Susan Bidwell12/08/2018
siabod19/07/2018
Rob5001/07/2018
Mark Sims10/03/2017
Tricky25/08/2016
dgresty23/08/2016
Tony Wilson21/06/2016
iainwalton19/06/2016
Fletch13/11/2015
Clachaig15/08/2015
Deedubr16/07/2015
tallscottishguy21/05/2015
danpquinn26/03/2015
govanah06/02/2015
Tony Rogers05/04/2014
Dee Rogers05/04/2014
Iona06/10/2013
Tom Mundell06/10/2013
Trekking toes06/10/2013
davefh09/08/2013
Dusty16/05/2013
softsquare18/03/2013
geralddavison30/12/2012
thenomad05/11/2012
MikeM15/09/2012
Andy West10/08/2012
Martyn113/07/2012
Glenysj2113/07/2012
BLACKHILL01/07/2012
GWR Chris26/05/2012
Tony S12/04/2012
G0HIO30/03/2012
stevent080918/03/2012
m0tub13/02/2012
M0YDH09/12/2011
jimbloomer21/10/2011
Alison R25/09/2011
interloper25/09/2011
LizH30/08/2011
PeterAH30/08/2011
maknipe19/08/2011
fortyniner02/03/2011
boxblade17/10/2010
Owen B16/04/2010
Matt20/06/2009
Derek_Snaith02/05/2009
Liz_N02/05/2009
chrisbien06/04/2009
TK07/03/2009
BobHancock25/01/2009
Steve Q23/01/2009
otis.laws30/12/2008
Alan Whatley28/12/2008
PGCE26/10/2008
bogdodger18/10/2008
carole engel18/10/2008
Anton18/10/2008
mae16/08/2008
MM29/06/2008
tomandivy28/04/2008
Paul and Terri02/03/2008
Sprog26/01/2008
Smudge17/11/2007
RichardM04/11/2007
AndyS04/11/2007
Denise 04/11/2007
Martin R16/06/2007
PM02/10/2006
richtea504010/09/2006
ajwxyzt10/09/2006
andrew brown06/08/2006
David Rawden11/07/2006
Kiltie02/01/2006
Campbell Singer28/11/2005
bertbarnett12304/10/2005
Colin Crawford28/09/2005
Jim.Fothergill14/08/2005
IainT03/02/2005
RobertP19/09/2004
GeoffC05/07/2004
peterstanding04/07/2004
kanderson05/03/2004
Jon F31/01/2004
Calico19/12/2003
MIKE NICHOLLS13/12/2003
chriswatson10/11/2003
BaggerGutt01/12/2002
GaryJones01/07/2002
Archie18/05/2002
KathW18/05/2002
iaindbrown01/05/2002
chalky195326/03/2002
ianwatson18/11/2001
petesimpson06/01/2001
Man of Kernow114/10/2000
Adrian27/08/2000
johnbarnard2508/05/2000
Rob Rees07/02/2000
Jim T08/01/2000
andrew.allum01/01/2000
Halfdecent00/00/2000
David Purchase26/07/1999
alda25/06/1999
Sherlock13/06/1998
Chris Peart12/07/1997
fasgadh12/05/1996
GordonAdshead00/11/1995
stanappleton01/08/1990
DewiH10/06/1987
AlanD29/03/1983
ketzster01/01/1970
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Mark Jacksonblank