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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M Ascents
1.Snowdon1085North Wales1038989
2.Carnedd Llewelyn1064North Wales750168
3.Aran Fawddwy905North Wales67080
4.Pen y Fan886South Wales668359
5.Glyder Fawr1001North Wales642229
6.Waun Fach811South Wales62292
7.Cadair Idris-Penygadair893North Wales608170
8.Moel Siabod872North Wales599145
9.Moel Hebog783North Wales58572
10.Y Llethr756North Wales56134
12.Arenig Fawr854North Wales47942
13.Tarren y Gesail667North Wales46326
14.Mynydd Mawr698North Wales46239
15.Yr Eifl560North Wales42938
16.Fan Brycheiniog - Twr y Fan Foel802South Wales42463
17.Sugar Loaf596South Wales411101
18.Craig Cwm Silyn734North Wales39839
19.Craig y Llyn600South Wales39239
20.Moelwyn Mawr770North Wales38540
20.Gyrn Ddu522North Wales38521
22.Moel y Gamelin577North Wales38243
23.Great Rhos660Welsh Border37339
24.Rhinog Fawr720North Wales36353
25.Cadair Berwyn830North Wales34477
25.Foel Cwmcerwyn536Mid-Wales34445
25.Ysgyryd Fawr486South Wales34450
28.Carn Fadryn371North Wales34325
29.Carnedd y Filiast669North Wales31528
29.Y Garn629North Wales31529
31.Maesglase676North Wales31328
32.Rhobell Fawr734North Wales30926
33.Long Mountain-Beacon Ring408Welsh Border30527
34.Pegwn Mawr586Mid-Wales30020
35.Fan Fawr734South Wales29551
36.Arenig Fach689North Wales29428
37.Mynydd Troed609South Wales28639
38.Fan Gyhirych725South Wales28040
39.Moel Famau554North Wales277209
40.Foel Goch611North Wales27426
41.Manod Mawr661North Wales26627
42.Mwdwl-eithin532North Wales26519
43.Mynydd Marchywel418South Wales26316
44.Creigiau Gleision678North Wales26238
45.Moel y Golfa403Welsh Border26123
46.Moel Eilio726North Wales25959
47.Drygarn Fawr645Mid-Wales25826
48.Mynydd Twyn-glas472South Wales25326
49.Ffridd Cocyn313North Wales24717
50.Hirfynydd481South Wales24617
51.Allt-fawr698North Wales24326
51.Wentwood309South Wales24341
53.Gwastedyn Hill477Mid-Wales24218
54.Mynydd Rhiw304North Wales24026
55.Gyrn Moelfre523North Wales23719
56.Y Garn947North Wales236159
56.Foel Offrwm405North Wales23621
56.Moel-y-gest263North Wales23627
59.Yr Aran747North Wales23552
59.Graig Syfyrddin423South Wales23527
59.Cefn Eglwysilan382South Wales23529
62.Mynydd Carningli346Mid-Wales23230
63.Coety Mountain578South Wales23135
64.Carnedd Wen523Mid-Wales22814
65.Aberedw Hill451Welsh Border22721
66.Rhialgwm540North Wales22517
67.Esgair Ddu464Mid-Wales22215
67.Foel Fynyddau370South Wales22220
69.Mynydd Cynros329Mid-Wales22119
70.Holyhead Mountain220North Wales22080
71.Mynydd y Lan381South Wales21523
72.Glasgwm780North Wales21337
72.Rhiw Gwraidd442Mid-Wales21317
74.Elidir Fawr924North Wales212104
75.Foel Cae'rberllan380North Wales21116
75.Garth Hill307South Wales21150
77.Mynydd Sylen284South Wales20921
78.Moel y Dyniewyd382North Wales20821
79.Moel Llyfnant751North Wales20625
79.Carneddau445Welsh Border20621
79.Gamallt288North Wales20617
82.Garreg Lwyd498Mid-Wales20516
82.Crugiau Merched462Mid-Wales20516
82.Allt yr Esgair393South Wales20526
82.Mynydd y Betws373South Wales20532
86.Trum y Ddysgl709North Wales20446
87.Tarrenhendre634North Wales20327
87.Great Orme207North Wales20380
89.Corndon Hill513Welsh Border20137
90.Mynydd Eppynt478South Wales19919
91.Moel-ddu553North Wales19817
93.Pen y Garn610Mid-Wales19323
94.Trichrug415South Wales19120
95.Tryfan917North Wales190274
95.Mynydd Allt-y-grug338South Wales19016
97.Hope Mountain330North Wales18928
98.Tal y Fan610North Wales18652
99.Mynydd Machen362South Wales18529
101.Mynydd y Glyn377South Wales18226
101.Mynydd Uchaf357South Wales18219
103.Pen Llithrig y Wrach799North Wales18147
103.Moel Gyw467North Wales18129
105.Foel Cedig667North Wales18020
105.Moel Ysgyfarnogod623North Wales18031
105.Stingwern Hill358Mid-Wales18020
108.Cefn yr Ystrad617South Wales17834
108.Mynydd Bodafon178North Wales17832
110.Bryn y Fan482Mid-Wales17718
110.Frenni Fawr395Mid-Wales17728
112.Moel Cynghorion674North Wales17639
112.Mynydd Carn-y-cefn550South Wales17623
114.Fan Nedd663South Wales17437
114.Beacon Hill547Welsh Border17426
114.Upper Park352Mid-Wales17416
117.Garn Boduan279North Wales17226
118.Allt y Main356North Wales17121
118.Mynydd Drumau272South Wales17117
118.Mynydd Llangyndeyrn263South Wales17122
121.Waun Rydd769South Wales17054
121.Bryn Amlwg488Mid-Wales17015
121.Caeliber Isaf353Welsh Border17023
124.Waun Claerddu594Mid-Wales16817
124.Mynydd Nodol539North Wales16818
126.Mynydd Enlli167North Wales16722
127.Esgeiriau Gwynion671North Wales16622
128.Mynydd Rhyd ddu389North Wales16519
128.Mynydd-y-briw341North Wales16522
128.Y Golfa341Mid-Wales16522
131.Rhos Ymryson327Mid-Wales16422
131.Myarth292South Wales16419
133.Moelfre589North Wales16218
133.Cyrn-y-Brain565North Wales16240
133.Pen y Garn-goch487Mid-Wales16219
136.Banc Llechwedd-mawr560Mid-Wales16114
136.Gwaunceste Hill542Welsh Border16119
136.Mynydd Llangorse515South Wales16139
139.Tor y Foel551South Wales15732
139.Mynydd Cwmcelli469North Wales15716
139.Carn Gafallt466Mid-Wales15718
139.The Begwns415Welsh Border15719
139.Carneddol235North Wales15720
144.Penycloddiau440North Wales15638
144.Bryn Arw384South Wales15629
146.Cefn Cenarth460Mid-Wales15516
146.Hafod Ithel361Mid-Wales15517
148.Y Lliwedd898North Wales154128
148.Black Mountain703South Wales15471
148.Craig yr Allt273South Wales15427
151.Craig y Castell321North Wales15318
152.Foel Fenlli510North Wales15255
152.Disgwylfa Fawr507Mid-Wales15218
152.Mynydd Dinas258South Wales15220
152.Brandy Hill206Mid-Wales15229
156.Mynydd y Cwm304North Wales15027
156.Mynydd Anelog191North Wales15019

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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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