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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M Ascents
1.Snowdon1085North Wales1038788
2.Carnedd Llewelyn1064North Wales750127
3.Aran Fawddwy905North Wales67066
4.Pen y Fan886South Wales668295
5.Glyder Fawr1001North Wales642184
6.Waun Fach811South Wales62274
7.Cadair Idris-Penygadair893North Wales608137
8.Moel Siabod872North Wales599117
9.Moel Hebog783North Wales58554
10.Y Llethr756North Wales56127
12.Arenig Fawr854North Wales47932
13.Tarren y Gesail667North Wales46321
14.Mynydd Mawr698North Wales46231
15.Yr Eifl560North Wales42926
16.Fan Brycheiniog - Twr y Fan Foel802South Wales42448
17.Sugar Loaf596South Wales41182
18.Craig Cwm Silyn734North Wales39828
19.Craig y Llyn600South Wales39237
20.Moelwyn Mawr770North Wales38530
20.Gyrn Ddu522North Wales38516
22.Moel y Gamelin577North Wales38237
23.Great Rhos660Welsh Border37329
24.Rhinog Fawr720North Wales36336
25.Cadair Berwyn830North Wales34462
25.Foel Cwmcerwyn536Mid-Wales34440
25.Ysgyryd Fawr486South Wales34442
28.Carn Fadryn371North Wales34321
29.Carnedd y Filiast669North Wales31523
29.Y Garn629North Wales31523
31.Maesglase676North Wales31322
32.Rhobell Fawr734North Wales30921
33.Long Mountain-Beacon Ring408Welsh Border30521
34.Pegwn Mawr586Mid-Wales30019
35.Fan Fawr734South Wales29541
36.Arenig Fach689North Wales29422
37.Mynydd Troed609South Wales28633
38.Fan Gyhirych725South Wales28031
39.Moel Famau554North Wales277183
40.Foel Goch611North Wales27420
41.Manod Mawr661North Wales26622
42.Mwdwl-eithin532North Wales26515
43.Mynydd Marchywel418South Wales26315
44.Creigiau Gleision678North Wales26229
45.Moel y Golfa403Welsh Border26120
46.Moel Eilio726North Wales25945
47.Drygarn Fawr645Mid-Wales25821
48.Mynydd Twyn-glas472South Wales25324
49.Ffridd Cocyn313North Wales24715
50.Hirfynydd481South Wales24616
51.Allt-fawr698North Wales24320
51.Wentwood309South Wales24338
53.Gwastedyn Hill477Mid-Wales24217
54.Mynydd Rhiw304North Wales24023
55.Gyrn Moelfre523North Wales23716
56.Y Garn947North Wales236121
56.Foel Offrwm405North Wales23620
56.Moel-y-gest263North Wales23619
59.Yr Aran747North Wales23542
59.Graig Syfyrddin423South Wales23523
59.Cefn Eglwysilan382South Wales23527
62.Mynydd Carningli346Mid-Wales23225
63.Coety Mountain578South Wales23131
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 Wales21520
72.Glasgwm780North Wales21331
72.Rhiw Gwraidd442Mid-Wales21314
74.Elidir Fawr924North Wales21278
75.Foel Cae'rberllan380North Wales21115
75.Garth Hill307South Wales21144
77.Mynydd Sylen284South Wales20919
78.Moel y Dyniewyd382North Wales20816
79.Moel Llyfnant751North Wales20617
79.Carneddau445Welsh Border20619
79.Gamallt288North Wales20616
82.Garreg Lwyd498Mid-Wales20515
82.Crugiau Merched462Mid-Wales20515
82.Allt yr Esgair393South Wales20522
82.Mynydd y Betws373South Wales20529
86.Trum y Ddysgl709North Wales20431
87.Tarrenhendre634North Wales20324
87.Great Orme207North Wales20366
89.Corndon Hill513Welsh Border20129
90.Mynydd Eppynt478South Wales19918
91.Moel-ddu553North Wales19812
93.Pen y Garn610Mid-Wales19321
94.Trichrug415South Wales19117
95.Tryfan917North Wales190211
95.Mynydd Allt-y-grug338South Wales19015
97.Hope Mountain330North Wales18924
98.Tal y Fan610North Wales18642
99.Mynydd Machen362South Wales18523
101.Mynydd y Glyn377South Wales18224
101.Mynydd Uchaf357South Wales18217
103.Pen Llithrig y Wrach799North Wales18138
103.Moel Gyw467North Wales18125
105.Foel Cedig667North Wales18017
105.Moel Ysgyfarnogod623North Wales18023
105.Stingwern Hill358Mid-Wales18017
108.Cefn yr Ystrad617South Wales17830
108.Mynydd Bodafon178North Wales17829
110.Bryn y Fan482Mid-Wales17717
110.Frenni Fawr395Mid-Wales17725
112.Moel Cynghorion674North Wales17633
112.Mynydd Carn-y-cefn550South Wales17619
114.Fan Nedd663South Wales17429
114.Beacon Hill547Welsh Border17421
114.Upper Park352Mid-Wales17415
117.Garn Boduan279North Wales17222
118.Allt y Main356North Wales17119
118.Mynydd Drumau272South Wales17115
118.Mynydd Llangyndeyrn263South Wales17120
121.Waun Rydd769South Wales17046
121.Bryn Amlwg488Mid-Wales17013
121.Caeliber Isaf353Welsh Border17019
124.Waun Claerddu594Mid-Wales16816
124.Mynydd Nodol539North Wales16815
126.Mynydd Enlli167North Wales16718
127.Esgeiriau Gwynion671North Wales16618
128.Mynydd Rhyd ddu389North Wales16516
128.Mynydd-y-briw341North Wales16518
128.Y Golfa341Mid-Wales16519
131.Rhos Ymryson327Mid-Wales16420
131.Myarth292South Wales16417
133.Moelfre589North Wales16215
133.Cyrn-y-Brain565North Wales16235
133.Pen y Garn-goch487Mid-Wales16216
136.Banc Llechwedd-mawr560Mid-Wales16113
136.Gwaunceste Hill542Welsh Border16118
136.Mynydd Llangorse515South Wales16132
139.Tor y Foel551South Wales15727
139.Mynydd Cwmcelli469North Wales15714
139.Carn Gafallt466Mid-Wales15717
139.The Begwns415Welsh Border15718
139.Carneddol235North Wales15717
144.Penycloddiau440North Wales15635
144.Bryn Arw384South Wales15624
146.Cefn Cenarth460Mid-Wales15515
146.Hafod Ithel361Mid-Wales15516
148.Y Lliwedd898North Wales154101
148.Black Mountain703South Wales15462
148.Craig yr Allt273South Wales15424
151.Craig y Castell321North Wales15317
152.Foel Fenlli510North Wales15249
152.Disgwylfa Fawr507Mid-Wales15216
152.Mynydd Dinas258South Wales15219
152.Brandy Hill206Mid-Wales15225
156.Mynydd y Cwm304North Wales15024
156.Mynydd Anelog191North Wales15015

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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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