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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M Ascents
1.Snowdon1085North Wales1038793
2.Carnedd Llewelyn1064North Wales750129
3.Aran Fawddwy905North Wales67067
4.Pen y Fan886South Wales668298
5.Glyder Fawr1001North Wales642188
6.Waun Fach811South Wales62275
7.Cadair Idris-Penygadair893North Wales608139
8.Moel Siabod872North Wales599117
9.Moel Hebog783North Wales58557
10.Y Llethr756North Wales56128
12.Arenig Fawr854North Wales47932
13.Tarren y Gesail667North Wales46323
14.Mynydd Mawr698North Wales46232
15.Yr Eifl560North Wales42927
16.Fan Brycheiniog - Twr y Fan Foel802South Wales42450
17.Sugar Loaf596South Wales41184
18.Craig Cwm Silyn734North Wales39830
19.Craig y Llyn600South Wales39237
20.Moelwyn Mawr770North Wales38531
20.Gyrn Ddu522North Wales38517
22.Moel y Gamelin577North Wales38231
23.Great Rhos660Welsh Border37330
24.Rhinog Fawr720North Wales36337
25.Cadair Berwyn830North Wales34458
25.Foel Cwmcerwyn536Mid-Wales34441
25.Ysgyryd Fawr486South Wales34443
28.Carn Fadryn371North Wales34322
29.Carnedd y Filiast669North Wales31522
29.Y Garn629North Wales31524
31.Maesglase676North Wales31323
32.Rhobell Fawr734North Wales30922
33.Long Mountain-Beacon Ring408Welsh Border30522
34.Pegwn Mawr586Mid-Wales30019
35.Fan Fawr734South Wales29542
36.Arenig Fach689North Wales29423
37.Mynydd Troed609South Wales28634
38.Fan Gyhirych725South Wales28032
39.Moel Famau554North Wales277120
40.Foel Goch611North Wales27421
41.Manod Mawr661North Wales26623
42.Mwdwl-eithin532North Wales26516
43.Mynydd Marchywel418South Wales26315
44.Creigiau Gleision678North Wales26230
45.Moel y Golfa403Welsh Border26120
46.Moel Eilio726North Wales25946
47.Drygarn Fawr645Mid-Wales25822
48.Mynydd Twyn-glas472South Wales25325
49.Ffridd Cocyn313North Wales24715
50.Hirfynydd481South Wales24616
51.Allt-fawr698North Wales24321
51.Wentwood309South Wales24339
53.Gwastedyn Hill477Mid-Wales24217
54.Mynydd Rhiw304North Wales24024
55.Gyrn Moelfre523North Wales23716
56.Y Garn947North Wales236126
56.Foel Offrwm405North Wales23620
56.Moel-y-gest263North Wales23621
59.Yr Aran747North Wales23542
59.Graig Syfyrddin423South Wales23524
59.Cefn Eglwysilan382South Wales23528
62.Mynydd Carningli346Mid-Wales23225
63.Coety Mountain578South Wales23132
64.Carnedd Wen523Mid-Wales22813
65.Aberedw Hill451Welsh Border22720
66.Rhialgwm540North Wales22516
67.Esgair Ddu464Mid-Wales22214
67.Foel Fynyddau370South Wales22219
69.Mynydd Cynros329Mid-Wales22118
70.Holyhead Mountain220North Wales22065
71.Mynydd y Lan381South Wales21521
72.Glasgwm780North Wales21332
72.Rhiw Gwraidd442Mid-Wales21315
74.Elidir Fawr924North Wales21281
75.Foel Cae'rberllan380North Wales21115
75.Garth Hill307South Wales21145
77.Mynydd Sylen284South Wales20919
78.Moel y Dyniewyd382North Wales20817
79.Moel Llyfnant751North Wales20618
79.Carneddau445Welsh Border20619
79.Gamallt288North Wales20616
82.Garreg Lwyd498Mid-Wales20515
82.Crugiau Merched462Mid-Wales20515
82.Allt yr Esgair393South Wales20523
82.Mynydd y Betws373South Wales20529
86.Trum y Ddysgl709North Wales20433
87.Tarrenhendre634North Wales20325
87.Great Orme207North Wales20357
89.Corndon Hill513Welsh Border20130
90.Mynydd Eppynt478South Wales19918
91.Moel-ddu553North Wales19813
93.Pen y Garn610Mid-Wales19322
94.Trichrug415South Wales19117
95.Tryfan917North Wales190214
95.Mynydd Allt-y-grug338South Wales19015
97.Hope Mountain330North Wales18923
98.Tal y Fan610North Wales18637
99.Mynydd Machen362South Wales18524
101.Mynydd y Glyn377South Wales18225
101.Mynydd Uchaf357South Wales18217
103.Pen Llithrig y Wrach799North Wales18138
103.Moel Gyw467North Wales18125
105.Foel Cedig667North Wales18018
105.Moel Ysgyfarnogod623North Wales18024
105.Stingwern Hill358Mid-Wales18017
108.Cefn yr Ystrad617South Wales17831
108.Mynydd Bodafon178North Wales17830
110.Bryn y Fan482Mid-Wales17717
110.Frenni Fawr395Mid-Wales17725
112.Moel Cynghorion674North Wales17634
112.Mynydd Carn-y-cefn550South Wales17620
114.Fan Nedd663South Wales17430
114.Beacon Hill547Welsh Border17421
114.Upper Park352Mid-Wales17415
117.Garn Boduan279North Wales17223
118.Allt y Main356North Wales17120
118.Mynydd Drumau272South Wales17115
118.Mynydd Llangyndeyrn263South Wales17120
121.Waun Rydd769South Wales17047
121.Bryn Amlwg488Mid-Wales17013
121.Caeliber Isaf353Welsh Border17020
124.Waun Claerddu594Mid-Wales16816
124.Mynydd Nodol539North Wales16816
126.Mynydd Enlli167North Wales16718
127.Esgeiriau Gwynion671North Wales16619
128.Mynydd Rhyd ddu389North Wales16517
128.Y Golfa341Mid-Wales16520
128.Mynydd-y-briw341North Wales16519
131.Rhos Ymryson327Mid-Wales16420
131.Myarth292South Wales16418
133.Moelfre589North Wales16215
133.Cyrn-y-Brain565North Wales16232
133.Pen y Garn-goch487Mid-Wales16216
136.Banc Llechwedd-mawr560Mid-Wales16113
136.Gwaunceste Hill542Welsh Border16118
136.Mynydd Llangorse515South Wales16133
139.Tor y Foel551South Wales15728
139.Mynydd Cwmcelli469North Wales15714
139.Carn Gafallt466Mid-Wales15717
139.The Begwns415Welsh Border15718
139.Carneddol235North Wales15718
144.Penycloddiau440North Wales15630
144.Bryn Arw384South Wales15625
146.Cefn Cenarth460Mid-Wales15515
146.Hafod Ithel361Mid-Wales15516
148.Y Lliwedd898North Wales154102
148.Black Mountain703South Wales15463
148.Craig yr Allt273South Wales15424
151.Craig y Castell321North Wales15317
152.Foel Fenlli510North Wales15236
152.Disgwylfa Fawr507Mid-Wales15216
152.Mynydd Dinas258South Wales15219
152.Brandy Hill206Mid-Wales15225
156.Mynydd y Cwm304North Wales15024
156.Mynydd Anelog191North Wales15016

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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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