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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M Ascents
1.Snowdon1085North Wales1038678
2.Carnedd Llewelyn1064North Wales750111
3.Aran Fawddwy905North Wales67056
4.Pen y Fan886South Wales668252
5.Glyder Fawr1001North Wales642162
6.Waun Fach811South Wales62268
7.Cadair Idris-Penygadair893North Wales608121
8.Moel Siabod872North Wales600101
9.Moel Hebog783North Wales58549
10.Y Llethr756North Wales56125
12.Arenig Fawr854North Wales47927
13.Tarren y Gesail667North Wales46320
14.Mynydd Mawr698North Wales46228
15.Yr Eifl560North Wales42922
16.Fan Brycheiniog - Twr y Fan Foel802South Wales42444
17.Sugar Loaf596South Wales41168
18.Craig Cwm Silyn734North Wales39824
19.Craig y Llyn600South Wales39232
20.Moelwyn Mawr770North Wales38525
20.Gyrn Ddu522North Wales38514
22.Moel y Gamelin577North Wales38234
23.Great Rhos660Welsh Border37325
24.Rhinog Fawr720North Wales36330
25.Cadair Berwyn830North Wales34457
25.Foel Cwmcerwyn536Mid-Wales34436
25.Ysgyryd Fawr486South Wales34435
28.Carn Fadryn371North Wales34319
29.Carnedd y Filiast669North Wales31519
29.Y Garn629North Wales31520
31.Maesglase676North Wales31320
32.Rhobell Fawr734North Wales30919
33.Long Mountain-Beacon Ring408Welsh Border30518
34.Pegwn Mawr586Mid-Wales30018
35.Fan Fawr734South Wales29534
36.Arenig Fach689North Wales29420
37.Mynydd Troed609South Wales28630
38.Fan Gyhirych725South Wales28027
39.Moel Famau554North Wales277169
40.Foel Goch611North Wales27418
41.Manod Mawr661North Wales26619
42.Mwdwl-eithin532North Wales26514
43.Mynydd Marchywel418South Wales26314
44.Creigiau Gleision678North Wales26225
45.Moel y Golfa403Welsh Border26117
46.Moel Eilio726North Wales25937
47.Drygarn Fawr645Mid-Wales25820
48.Mynydd Twyn-glas472South Wales25321
49.Ffridd Cocyn313North Wales24713
50.Hirfynydd481South Wales24615
51.Allt-fawr698North Wales24318
51.Wentwood309South Wales24331
53.Gwastedyn Hill477Mid-Wales24216
54.Mynydd Rhiw304North Wales24021
55.Gyrn Moelfre523North Wales23714
56.Y Garn947North Wales236105
56.Foel Offrwm405North Wales23618
56.Moel-y-gest263North Wales23618
59.Yr Aran747North Wales23535
59.Graig Syfyrddin423South Wales23520
59.Cefn Eglwysilan382South Wales23524
62.Mynydd Carningli346Mid-Wales23224
63.Coety Mountain578South Wales23129
64.Carnedd Wen523Mid-Wales22810
65.Aberedw Hill451Welsh Border22719
66.Rhialgwm540North Wales22514
67.Esgair Ddu464Mid-Wales22210
67.Foel Fynyddau370South Wales22218
69.Mynydd Cynros329Mid-Wales22117
70.Holyhead Mountain220North Wales22053
71.Mynydd y Lan381South Wales21518
72.Glasgwm780North Wales21329
72.Rhiw Gwraidd442Mid-Wales21313
74.Elidir Fawr924North Wales21268
75.Foel Cae'rberllan380North Wales21113
75.Garth Hill307South Wales21141
77.Mynydd Sylen284South Wales20918
78.Moel y Dyniewyd382North Wales20814
79.Moel Llyfnant751North Wales20615
79.Carneddau445Welsh Border20618
79.Gamallt288North Wales20614
82.Garreg Lwyd498Mid-Wales20514
82.Crugiau Merched462Mid-Wales20514
82.Allt yr Esgair393South Wales20520
82.Mynydd y Betws373South Wales20527
86.Trum y Ddysgl709North Wales20427
87.Tarrenhendre634North Wales20323
87.Great Orme207North Wales20361
89.Corndon Hill513Welsh Border20125
90.Mynydd Eppynt478South Wales19916
91.Moel-ddu553North Wales19810
93.Pen y Garn610Mid-Wales19320
94.Trichrug415South Wales19116
95.Tryfan917North Wales190189
95.Mynydd Allt-y-grug338South Wales19014
97.Hope Mountain330North Wales18922
98.Tal y Fan610North Wales18638
99.Mynydd Machen362South Wales18521
101.Mynydd y Glyn377South Wales18221
101.Mynydd Uchaf357South Wales18216
103.Pen Llithrig y Wrach799North Wales18132
103.Moel Gyw467North Wales18124
105.Foel Cedig667North Wales18014
105.Moel Ysgyfarnogod623North Wales18020
105.Stingwern Hill358Mid-Wales18014
108.Cefn yr Ystrad617South Wales17827
108.Mynydd Bodafon178North Wales17827
110.Bryn y Fan482Mid-Wales17716
110.Frenni Fawr395Mid-Wales17724
112.Moel Cynghorion674North Wales17629
112.Mynydd Carn-y-cefn550South Wales17618
114.Fan Nedd663South Wales17424
114.Beacon Hill547Welsh Border17420
114.Upper Park352Mid-Wales17412
117.Garn Boduan279North Wales17220
118.Allt y Main356North Wales17116
118.Mynydd Drumau272South Wales17114
118.Mynydd Llangyndeyrn263South Wales17119
121.Waun Rydd769South Wales17042
121.Bryn Amlwg488Mid-Wales17011
121.Caeliber Isaf353Welsh Border17015
124.Waun Claerddu594Mid-Wales16815
124.Mynydd Nodol539North Wales16813
126.Mynydd Enlli167North Wales16717
127.Esgeiriau Gwynion671North Wales16617
128.Mynydd Rhyd ddu389North Wales16514
128.Mynydd-y-briw341North Wales16516
128.Y Golfa341Mid-Wales16516
131.Rhos Ymryson327Mid-Wales16419
131.Myarth292South Wales16416
133.Moelfre589North Wales16214
133.Cyrn-y-Brain565North Wales16233
133.Pen y Garn-goch487Mid-Wales16215
136.Banc Llechwedd-mawr560Mid-Wales16112
136.Gwaunceste Hill542Welsh Border16117
136.Mynydd Llangorse515South Wales16130
139.Tor y Foel551South Wales15725
139.Mynydd Cwmcelli469North Wales15713
139.Carn Gafallt466Mid-Wales15716
139.The Begwns415Welsh Border15717
139.Carneddol235North Wales15715
144.Penycloddiau440North Wales15634
144.Bryn Arw384South Wales15622
146.Cefn Cenarth460Mid-Wales15514
146.Hafod Ithel361Mid-Wales15515
148.Y Lliwedd898North Wales15485
148.Black Mountain703South Wales15453
148.Craig yr Allt273South Wales15423
151.Craig y Castell321North Wales15316
152.Foel Fenlli510North Wales15245
152.Disgwylfa Fawr507Mid-Wales15215
152.Mynydd Dinas258South Wales15218
152.Brandy Hill206Mid-Wales15224
156.Mynydd y Cwm304North Wales15022
156.Mynydd Anelog191North Wales15013

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List Description

Marilyns are mountains or hills with 150 meters or more of prominence located in Britain, Ireland, and the Isle of Man. The name comes from a play on words, based on the first name of a famous American actress and the well-known "Munro" peak list of Scotland. This list only includes the Marilyns in Wales.


Peakbagging as we know it was invented in Britain, and there is a very long and rich long tradition of compiling hill lists.. The goal of this web site is to show a representative subset of some of the better-known lists from UK and Ireland in a global context, and not to be an exhaustive resource. There are countless other online destinations for information and ascent tracking in the British hills.

In compiling these lists, I used the Database of British and Irish Hills (DoBIH), Version 14.1, to supplement the data that had long been in the Peakbagger database. Thanks are also due to Alan Dawson, Chris Crocker, Rob Woodall, and Peter Stone for helpful comments and review of UK/Ireland data on this site.


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