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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M Ascents
1.Snowdon1085North Wales10381366
2.Carnedd Llewelyn1064North Wales750250
3.Aran Fawddwy905North Wales670111
4.Pen y Fan886South Wales668497
5.Glyder Fawr1001North Wales642336
6.Waun Fach811South Wales622129
7.Cadair Idris - Penygadair893North Wales608254
8.Moel Siabod872North Wales599214
9.Moel Hebog783North Wales585106
10.Y Llethr756North Wales56149
12.Arenig Fawr854North Wales47966
13.Tarren y Gesail667North Wales46336
14.Mynydd Mawr698North Wales46258
15.Yr Eifl560North Wales42955
16.Fan Brycheiniog - Twr y Fan Foel802South Wales42492
17.Sugar Loaf596South Wales411133
18.Craig Cwm Silyn734North Wales39858
19.Craig y Llyn600South Wales39246
20.Moelwyn Mawr770North Wales38564
20.Gyrn Ddu522North Wales38524
22.Moel y Gamelin577North Wales38264
23.Great Rhos660Welsh Border37349
24.Rhinog Fawr720North Wales36371
25.Cadair Berwyn830North Wales344107
25.Foel Cwmcerwyn536Mid-Wales34452
25.Ysgyryd Fawr486South Wales34468
28.Carn Fadryn371North Wales34330
29.Carnedd y Filiast669North Wales31542
29.Y Garn629North Wales31540
31.Maesglase676North Wales31337
32.Rhobell Fawr734North Wales30938
33.Long Mountain - Beacon Ring408Welsh Border30531
34.Pegwn Mawr586Mid-Wales30022
35.Fan Fawr734South Wales29571
36.Arenig Fach689North Wales29440
37.Mynydd Troed609South Wales28652
38.Fan Gyhirych725South Wales28053
39.Moel Famau554North Wales277292
40.Foel Goch611North Wales27434
41.Manod Mawr661North Wales26639
42.Mwdwl-eithin532North Wales26523
43.Mynydd Marchywel418South Wales26317
44.Creigiau Gleision678North Wales26252
45.Moel y Golfa403Welsh Border26129
46.Moel Eilio726North Wales25990
47.Drygarn Fawr645Mid-Wales25833
48.Mynydd Twyn-glas472South Wales25330
49.Ffridd Cocyn313North Wales24718
50.Hirfynydd481South Wales24618
51.Allt-fawr698North Wales24333
51.Wentwood309South Wales24347
53.Gwastedyn Hill477Mid-Wales24220
54.Mynydd Rhiw304North Wales24029
55.Gyrn Moelfre523North Wales23720
56.Y Garn947North Wales236241
56.Foel Offrwm405North Wales23624
56.Moel-y-gest263North Wales23635
59.Yr Aran747North Wales23571
59.Graig Syfyrddin423South Wales23532
59.Cefn Eglwysilan382South Wales23533
62.Mynydd Carningli346Mid-Wales23234
63.Coety Mountain578South Wales23141
64.Carnedd Wen523Mid-Wales22815
65.Aberedw Hill451Welsh Border22723
66.Rhialgwm540North Wales22519
67.Esgair Ddu464Mid-Wales22217
67.Foel Fynyddau370South Wales22222
69.Mynydd Cynros329Mid-Wales22122
70.Holyhead Mountain220North Wales220115
71.Mynydd y Lan381South Wales21526
72.Glasgwm780North Wales21351
72.Rhiw Gwraidd442Mid-Wales21320
74.Elidir Fawr924North Wales212150
75.Foel Cae'rberllan380North Wales21117
75.Garth Hill307South Wales21161
77.Mynydd Sylen284South Wales20923
78.Moel y Dyniewyd382North Wales20827
79.Moel Llyfnant751North Wales20637
79.Carneddau445Welsh Border20623
79.Gamallt288North Wales20619
82.Garreg Lwyd498Mid-Wales20518
82.Crugiau Merched462Mid-Wales20518
82.Allt yr Esgair393South Wales20533
82.Mynydd y Betws373South Wales20536
86.Trum y Ddysgl709North Wales20471
87.Tarrenhendre634North Wales20337
87.Great Orme207North Wales203109
89.Corndon Hill513Welsh Border20146
90.Mynydd Eppynt478South Wales19920
91.Moel-ddu553North Wales19822
93.Pen y Garn610Mid-Wales19329
94.Trichrug415South Wales19122
95.Tryfan917North Wales190405
95.Mynydd Allt-y-grug338South Wales19017
97.Hope Mountain330North Wales18932
98.Tal y Fan610North Wales18674
99.Mynydd Machen362South Wales18533
101.Mynydd y Glyn377South Wales18232
101.Mynydd Uchaf357South Wales18221
103.Pen Llithrig y Wrach799North Wales18164
103.Moel Gyw467North Wales18139
105.Foel Cedig667North Wales18028
105.Moel Ysgyfarnogod623North Wales18043
105.Stingwern Hill358Mid-Wales18021
108.Cefn yr Ystrad617South Wales17842
108.Mynydd Bodafon178North Wales17840
110.Bryn y Fan482Mid-Wales17721
110.Frenni Fawr395Mid-Wales17730
112.Moel Cynghorion674North Wales17655
112.Mynydd Carn-y-cefn550South Wales17627
114.Fan Nedd663South Wales17446
114.Beacon Hill547Welsh Border17430
114.Upper Park352Mid-Wales17420
117.Garn Boduan279North Wales17230
118.Allt y Main356North Wales17123
118.Mynydd Drumau272South Wales17118
118.Mynydd Llangyndeyrn263South Wales17124
121.Waun Rydd769South Wales17073
121.Bryn Amlwg488Mid-Wales17018
121.Caeliber Isaf353Welsh Border17025
124.Waun Claerddu594Mid-Wales16818
124.Mynydd Nodol539North Wales16820
126.Mynydd Enlli167North Wales16724
127.Esgeiriau Gwynion671North Wales16632
128.Mynydd Rhyd ddu389North Wales16524
128.Mynydd-y-briw341North Wales16523
128.Y Golfa341Mid-Wales16524
131.Rhos Ymryson327Mid-Wales16423
131.Myarth292South Wales16424
133.Moelfre589North Wales16221
133.Cyrn-y-Brain565North Wales16252
133.Pen y Garn-goch487Mid-Wales16220
136.Banc Llechwedd-mawr560Mid-Wales16115
136.Gwaunceste Hill542Welsh Border16122
136.Mynydd Llangorse515South Wales16152
139.Tor y Foel551South Wales15738
139.Mynydd Cwmcelli469North Wales15718
139.Carn Gafallt466Mid-Wales15719
139.The Begwns415Welsh Border15724
139.Carneddol235North Wales15722
144.Penycloddiau440North Wales15662
144.Bryn Arw384South Wales15636
146.Cefn Cenarth460Mid-Wales15518
146.Hafod Ithel361Mid-Wales15519
148.Y Lliwedd898North Wales154166
148.Black Mountain703South Wales15489
148.Craig yr Allt273South Wales15434
151.Craig y Castell321North Wales15321
152.Foel Fenlli510North Wales15270
152.Disgwylfa Fawr507Mid-Wales15219
152.Mynydd Dinas258South Wales15222
152.Brandy Hill206Mid-Wales15232
156.Rhinog Fach712North Wales15153
157.Mynydd y Cwm304North Wales15032
157.Mynydd Anelog191North Wales15025

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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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