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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M Ascents
1.Snowdon1085North Wales10381133
2.Carnedd Llewelyn1064North Wales750204
3.Aran Fawddwy905North Wales67090
4.Pen y Fan886South Wales668410
5.Glyder Fawr1001North Wales642276
6.Waun Fach811South Wales622100
7.Cadair Idris-Penygadair893North Wales608205
8.Moel Siabod872North Wales599171
9.Moel Hebog783North Wales58584
10.Y Llethr756North Wales56140
12.Arenig Fawr854North Wales47952
13.Tarren y Gesail667North Wales46329
14.Mynydd Mawr698North Wales46248
15.Yr Eifl560North Wales42946
16.Fan Brycheiniog - Twr y Fan Foel802South Wales42469
17.Sugar Loaf596South Wales411106
18.Craig Cwm Silyn734North Wales39849
19.Craig y Llyn600South Wales39240
20.Moelwyn Mawr770North Wales38550
20.Gyrn Ddu522North Wales38521
22.Moel y Gamelin577North Wales38255
23.Great Rhos660Welsh Border37342
24.Rhinog Fawr720North Wales36360
25.Cadair Berwyn830North Wales34489
25.Foel Cwmcerwyn536Mid-Wales34447
25.Ysgyryd Fawr486South Wales34454
28.Carn Fadryn371North Wales34328
29.Carnedd y Filiast669North Wales31534
29.Y Garn629North Wales31531
31.Maesglase676North Wales31330
32.Rhobell Fawr734North Wales30932
33.Long Mountain-Beacon Ring408Welsh Border30528
34.Pegwn Mawr586Mid-Wales30020
35.Fan Fawr734South Wales29557
36.Arenig Fach689North Wales29433
37.Mynydd Troed609South Wales28641
38.Fan Gyhirych725South Wales28045
39.Moel Famau554North Wales277248
40.Foel Goch611North Wales27429
41.Manod Mawr661North Wales26632
42.Mwdwl-eithin532North Wales26520
43.Mynydd Marchywel418South Wales26316
44.Creigiau Gleision678North Wales26247
45.Moel y Golfa403Welsh Border26124
46.Moel Eilio726North Wales25973
47.Drygarn Fawr645Mid-Wales25831
48.Mynydd Twyn-glas472South Wales25327
49.Ffridd Cocyn313North Wales24717
50.Hirfynydd481South Wales24617
51.Allt-fawr698North Wales24330
51.Wentwood309South Wales24343
53.Gwastedyn Hill477Mid-Wales24218
54.Mynydd Rhiw304North Wales24026
55.Gyrn Moelfre523North Wales23719
56.Y Garn947North Wales236199
56.Foel Offrwm405North Wales23622
56.Moel-y-gest263North Wales23629
59.Yr Aran747North Wales23562
59.Graig Syfyrddin423South Wales23527
59.Cefn Eglwysilan382South Wales23530
62.Mynydd Carningli346Mid-Wales23230
63.Coety Mountain578South Wales23136
64.Carnedd Wen523Mid-Wales22814
65.Aberedw Hill451Welsh Border22722
66.Rhialgwm540North Wales22517
67.Esgair Ddu464Mid-Wales22215
67.Foel Fynyddau370South Wales22220
69.Mynydd Cynros329Mid-Wales22120
70.Holyhead Mountain220North Wales22095
71.Mynydd y Lan381South Wales21524
72.Glasgwm780North Wales21342
72.Rhiw Gwraidd442Mid-Wales21318
74.Elidir Fawr924North Wales212125
75.Foel Cae'rberllan380North Wales21116
75.Garth Hill307South Wales21155
77.Mynydd Sylen284South Wales20921
78.Moel y Dyniewyd382North Wales20825
79.Moel Llyfnant751North Wales20630
79.Carneddau445Welsh Border20622
79.Gamallt288North Wales20618
82.Garreg Lwyd498Mid-Wales20517
82.Crugiau Merched462Mid-Wales20516
82.Allt yr Esgair393South Wales20529
82.Mynydd y Betws373South Wales20534
86.Trum y Ddysgl709North Wales20460
87.Tarrenhendre634North Wales20332
87.Great Orme207North Wales20394
89.Corndon Hill513Welsh Border20138
90.Mynydd Eppynt478South Wales19919
91.Moel-ddu553North Wales19820
93.Pen y Garn610Mid-Wales19325
94.Trichrug415South Wales19120
95.Tryfan917North Wales190336
95.Mynydd Allt-y-grug338South Wales19016
97.Hope Mountain330North Wales18929
98.Tal y Fan610North Wales18661
99.Mynydd Machen362South Wales18530
101.Mynydd y Glyn377South Wales18227
101.Mynydd Uchaf357South Wales18219
103.Pen Llithrig y Wrach799North Wales18155
103.Moel Gyw467North Wales18134
105.Foel Cedig667North Wales18024
105.Moel Ysgyfarnogod623North Wales18036
105.Stingwern Hill358Mid-Wales18020
108.Cefn yr Ystrad617South Wales17836
108.Mynydd Bodafon178North Wales17835
110.Bryn y Fan482Mid-Wales17718
110.Frenni Fawr395Mid-Wales17728
112.Moel Cynghorion674North Wales17647
112.Mynydd Carn-y-cefn550South Wales17623
114.Fan Nedd663South Wales17440
114.Beacon Hill547Welsh Border17426
114.Upper Park352Mid-Wales17416
117.Garn Boduan279North Wales17227
118.Allt y Main356North Wales17121
118.Mynydd Drumau272South Wales17117
118.Mynydd Llangyndeyrn263South Wales17122
121.Waun Rydd769South Wales17061
121.Bryn Amlwg488Mid-Wales17015
121.Caeliber Isaf353Welsh Border17023
124.Waun Claerddu594Mid-Wales16817
124.Mynydd Nodol539North Wales16818
126.Mynydd Enlli167North Wales16723
127.Esgeiriau Gwynion671North Wales16627
128.Mynydd Rhyd ddu389North Wales16522
128.Mynydd-y-briw341North Wales16522
128.Y Golfa341Mid-Wales16522
131.Rhos Ymryson327Mid-Wales16422
131.Myarth292South Wales16421
133.Moelfre589North Wales16219
133.Cyrn-y-Brain565North Wales16246
133.Pen y Garn-goch487Mid-Wales16219
136.Banc Llechwedd-mawr560Mid-Wales16114
136.Gwaunceste Hill542Welsh Border16119
136.Mynydd Llangorse515South Wales16143
139.Tor y Foel551South Wales15732
139.Mynydd Cwmcelli469North Wales15716
139.Carn Gafallt466Mid-Wales15718
139.The Begwns415Welsh Border15721
139.Carneddol235North Wales15720
144.Penycloddiau440North Wales15645
144.Bryn Arw384South Wales15629
146.Cefn Cenarth460Mid-Wales15517
146.Hafod Ithel361Mid-Wales15517
148.Y Lliwedd898North Wales154145
148.Black Mountain703South Wales15478
148.Craig yr Allt273South Wales15429
151.Craig y Castell321North Wales15319
152.Foel Fenlli510North Wales15263
152.Disgwylfa Fawr507Mid-Wales15218
152.Mynydd Dinas258South Wales15220
152.Brandy Hill206Mid-Wales15230
156.Rhinog Fach712North Wales15142
157.Mynydd y Cwm304North Wales15028
157.Mynydd Anelog191North Wales15020

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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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