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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M Ascents
1.Snowdon1085North Wales10381273
2.Carnedd Llewelyn1064North Wales750228
3.Aran Fawddwy905North Wales67098
4.Pen y Fan886South Wales668464
5.Glyder Fawr1001North Wales642312
6.Waun Fach811South Wales622119
7.Cadair Idris-Penygadair893North Wales608232
8.Moel Siabod872North Wales599194
9.Moel Hebog783North Wales58593
10.Y Llethr756North Wales56144
12.Arenig Fawr854North Wales47962
13.Tarren y Gesail667North Wales46332
14.Mynydd Mawr698North Wales46251
15.Yr Eifl560North Wales42950
16.Fan Brycheiniog - Twr y Fan Foel802South Wales42481
17.Sugar Loaf596South Wales411122
18.Craig Cwm Silyn734North Wales39854
19.Craig y Llyn600South Wales39243
20.Moelwyn Mawr770North Wales38558
20.Gyrn Ddu522North Wales38521
22.Moel y Gamelin577North Wales38259
23.Great Rhos660Welsh Border37344
24.Rhinog Fawr720North Wales36364
25.Cadair Berwyn830North Wales34498
25.Foel Cwmcerwyn536Mid-Wales34450
25.Ysgyryd Fawr486South Wales34464
28.Carn Fadryn371North Wales34328
29.Carnedd y Filiast669North Wales31540
29.Y Garn629North Wales31534
31.Maesglase676North Wales31331
32.Rhobell Fawr734North Wales30936
33.Long Mountain-Beacon Ring408Welsh Border30529
34.Pegwn Mawr586Mid-Wales30020
35.Fan Fawr734South Wales29566
36.Arenig Fach689North Wales29438
37.Mynydd Troed609South Wales28649
38.Fan Gyhirych725South Wales28048
39.Moel Famau554North Wales277268
40.Foel Goch611North Wales27433
41.Manod Mawr661North Wales26635
42.Mwdwl-eithin532North Wales26520
43.Mynydd Marchywel418South Wales26316
44.Creigiau Gleision678North Wales26248
45.Moel y Golfa403Welsh Border26126
46.Moel Eilio726North Wales25983
47.Drygarn Fawr645Mid-Wales25831
48.Mynydd Twyn-glas472South Wales25327
49.Ffridd Cocyn313North Wales24717
50.Hirfynydd481South Wales24617
51.Allt-fawr698North Wales24332
51.Wentwood309South Wales24344
53.Gwastedyn Hill477Mid-Wales24219
54.Mynydd Rhiw304North Wales24026
55.Gyrn Moelfre523North Wales23719
56.Y Garn947North Wales236224
56.Foel Offrwm405North Wales23622
56.Moel-y-gest263North Wales23630
59.Yr Aran747North Wales23565
59.Graig Syfyrddin423South Wales23529
59.Cefn Eglwysilan382South Wales23532
62.Mynydd Carningli346Mid-Wales23231
63.Coety Mountain578South Wales23137
64.Carnedd Wen523Mid-Wales22814
65.Aberedw Hill451Welsh Border22722
66.Rhialgwm540North Wales22517
67.Esgair Ddu464Mid-Wales22215
67.Foel Fynyddau370South Wales22221
69.Mynydd Cynros329Mid-Wales22121
70.Holyhead Mountain220North Wales220104
71.Mynydd y Lan381South Wales21524
72.Glasgwm780North Wales21344
72.Rhiw Gwraidd442Mid-Wales21319
74.Elidir Fawr924North Wales212139
75.Foel Cae'rberllan380North Wales21116
75.Garth Hill307South Wales21159
77.Mynydd Sylen284South Wales20922
78.Moel y Dyniewyd382North Wales20825
79.Moel Llyfnant751North Wales20635
79.Carneddau445Welsh Border20622
79.Gamallt288North Wales20618
82.Garreg Lwyd498Mid-Wales20517
82.Crugiau Merched462Mid-Wales20517
82.Allt yr Esgair393South Wales20530
82.Mynydd y Betws373South Wales20535
86.Trum y Ddysgl709North Wales20467
87.Tarrenhendre634North Wales20335
87.Great Orme207North Wales20399
89.Corndon Hill513Welsh Border20141
90.Mynydd Eppynt478South Wales19919
91.Moel-ddu553North Wales19820
93.Pen y Garn610Mid-Wales19326
94.Trichrug415South Wales19121
95.Tryfan917North Wales190375
95.Mynydd Allt-y-grug338South Wales19016
97.Hope Mountain330North Wales18929
98.Tal y Fan610North Wales18666
99.Mynydd Machen362South Wales18530
101.Mynydd y Glyn377South Wales18229
101.Mynydd Uchaf357South Wales18220
103.Pen Llithrig y Wrach799North Wales18160
103.Moel Gyw467North Wales18136
105.Foel Cedig667North Wales18026
105.Moel Ysgyfarnogod623North Wales18038
105.Stingwern Hill358Mid-Wales18020
108.Cefn yr Ystrad617South Wales17838
108.Mynydd Bodafon178North Wales17836
110.Bryn y Fan482Mid-Wales17718
110.Frenni Fawr395Mid-Wales17728
112.Moel Cynghorion674North Wales17650
112.Mynydd Carn-y-cefn550South Wales17624
114.Fan Nedd663South Wales17442
114.Beacon Hill547Welsh Border17428
114.Upper Park352Mid-Wales17417
117.Garn Boduan279North Wales17228
118.Allt y Main356North Wales17121
118.Mynydd Drumau272South Wales17117
118.Mynydd Llangyndeyrn263South Wales17123
121.Waun Rydd769South Wales17069
121.Bryn Amlwg488Mid-Wales17015
121.Caeliber Isaf353Welsh Border17023
124.Waun Claerddu594Mid-Wales16817
124.Mynydd Nodol539North Wales16819
126.Mynydd Enlli167North Wales16723
127.Esgeiriau Gwynion671North Wales16629
128.Mynydd Rhyd ddu389North Wales16522
128.Mynydd-y-briw341North Wales16522
128.Y Golfa341Mid-Wales16522
131.Rhos Ymryson327Mid-Wales16422
131.Myarth292South Wales16421
133.Moelfre589North Wales16220
133.Cyrn-y-Brain565North Wales16248
133.Pen y Garn-goch487Mid-Wales16219
136.Banc Llechwedd-mawr560Mid-Wales16114
136.Gwaunceste Hill542Welsh Border16120
136.Mynydd Llangorse515South Wales16148
139.Tor y Foel551South Wales15735
139.Mynydd Cwmcelli469North Wales15716
139.Carn Gafallt466Mid-Wales15718
139.The Begwns415Welsh Border15721
139.Carneddol235North Wales15720
144.Penycloddiau440North Wales15649
144.Bryn Arw384South Wales15633
146.Cefn Cenarth460Mid-Wales15517
146.Hafod Ithel361Mid-Wales15517
148.Y Lliwedd898North Wales154154
148.Black Mountain703South Wales15483
148.Craig yr Allt273South Wales15431
151.Craig y Castell321North Wales15319
152.Foel Fenlli510North Wales15265
152.Disgwylfa Fawr507Mid-Wales15218
152.Mynydd Dinas258South Wales15221
152.Brandy Hill206Mid-Wales15230
156.Rhinog Fach712North Wales15147
157.Mynydd y Cwm304North Wales15029
157.Mynydd Anelog191North Wales15021

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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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