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Marilyns of Wales

Hills with 150m of Prominence

RankPeak Elev-M Range (Level 5) Prom-M 
1.Snowdon1085North Wales1038
2.Carnedd Llewelyn1064North Wales750
3.Aran Fawddwy905North Wales670
4.Pen y Fan886South Wales668
5.Glyder Fawr1001North Wales642
6.Waun Fach811South Wales622
7.Cadair Idris-Penygadair893North Wales608
8.Moel Siabod872North Wales600
9.Moel Hebog783North Wales585
10.Y Llethr756North Wales561
12.Arenig Fawr854North Wales479
13.Tarren y Gesail667North Wales463
14.Mynydd Mawr698North Wales462
15.Yr Eifl560North Wales429
16.Fan Brycheiniog - Twr y Fan Foel802South Wales424
17.Sugar Loaf596South Wales411
18.Craig Cwm Silyn734North Wales398
19.Craig y Llyn600South Wales392
20.Moelwyn Mawr770North Wales385
20.Gyrn Ddu522North Wales385
22.Moel y Gamelin577North Wales382
23.Great Rhos660Welsh Border373
24.Rhinog Fawr720North Wales363
25.Cadair Berwyn830North Wales344
25.Foel Cwmcerwyn536Mid-Wales344
25.Ysgyryd Fawr486South Wales344
28.Carn Fadryn371North Wales343
29.Carnedd y Filiast669North Wales315
29.Y Garn629North Wales315
31.Maesglase676North Wales313
32.Rhobell Fawr734North Wales309
33.Long Mountain-Beacon Ring408Welsh Border305
34.Pegwn Mawr586Mid-Wales300
35.Fan Fawr734South Wales295
36.Arenig Fach689North Wales294
37.Mynydd Troed609South Wales286
38.Fan Gyhirych725South Wales280
39.Moel Famau554North Wales277
40.Foel Goch611North Wales274
41.Manod Mawr661North Wales266
42.Mwdwl-eithin532North Wales265
43.Mynydd Marchywel418South Wales263
44.Creigiau Gleision678North Wales262
45.Moel y Golfa403Welsh Border261
46.Moel Eilio726North Wales259
47.Drygarn Fawr645Mid-Wales258
48.Mynydd Twyn-glas472South Wales253
49.Ffridd Cocyn313North Wales247
50.Hirfynydd481South Wales246
51.Allt-fawr698North Wales243
51.Wentwood309South Wales243
53.Gwastedyn Hill477Mid-Wales242
54.Mynydd Rhiw304North Wales240
55.Gyrn Moelfre523North Wales237
56.Y Garn947North Wales236
56.Foel Offrwm405North Wales236
56.Moel-y-gest263North Wales236
59.Yr Aran747North Wales235
59.Graig Syfyrddin423South Wales235
59.Cefn Eglwysilan382South Wales235
62.Mynydd Carningli346Mid-Wales232
63.Coety Mountain578South Wales231
64.Carnedd Wen523Mid-Wales228
65.Aberedw Hill451Welsh Border227
66.Rhialgwm540North Wales225
67.Esgair Ddu464Mid-Wales222
67.Foel Fynyddau370South Wales222
69.Mynydd Cynros329Mid-Wales221
70.Holyhead Mountain220North Wales220
71.Mynydd y Lan381South Wales215
72.Glasgwm780North Wales213
72.Rhiw Gwraidd442Mid-Wales213
74.Elidir Fawr924North Wales212
75.Foel Cae'rberllan380North Wales211
75.Garth Hill307South Wales211
77.Mynydd Sylen284South Wales209
78.Moel y Dyniewyd382North Wales208
79.Moel Llyfnant751North Wales206
79.Carneddau445Welsh Border206
79.Gamallt288North Wales206
82.Garreg Lwyd498Mid-Wales205
82.Crugiau Merched462Mid-Wales205
82.Allt yr Esgair393South Wales205
82.Mynydd y Betws373South Wales205
86.Trum y Ddysgl709North Wales204
87.Tarrenhendre634North Wales203
87.Great Orme207North Wales203
89.Corndon Hill513Welsh Border201
90.Mynydd Eppynt478South Wales199
91.Moel-ddu553North Wales198
93.Pen y Garn610Mid-Wales193
94.Trichrug415South Wales191
95.Tryfan917North Wales190
95.Mynydd Allt-y-grug338South Wales190
97.Hope Mountain330North Wales189
98.Tal y Fan610North Wales186
99.Mynydd Machen362South Wales185
101.Mynydd y Glyn377South Wales182
101.Mynydd Uchaf357South Wales182
103.Pen Llithrig y Wrach799North Wales181
103.Moel Gyw467North Wales181
105.Foel Cedig667North Wales180
105.Moel Ysgyfarnogod623North Wales180
105.Stingwern Hill358Mid-Wales180
108.Cefn yr Ystrad617South Wales178
108.Mynydd Bodafon178North Wales178
110.Bryn y Fan482Mid-Wales177
110.Frenni Fawr395Mid-Wales177
112.Moel Cynghorion674North Wales176
112.Mynydd Carn-y-cefn550South Wales176
114.Fan Nedd663South Wales174
114.Beacon Hill547Welsh Border174
114.Upper Park352Mid-Wales174
117.Garn Boduan279North Wales172
118.Allt y Main356North Wales171
118.Mynydd Drumau272South Wales171
118.Mynydd Llangyndeyrn263South Wales171
121.Waun Rydd769South Wales170
121.Bryn Amlwg488Mid-Wales170
121.Caeliber Isaf353Welsh Border170
124.Waun Claerddu594Mid-Wales168
124.Mynydd Nodol539North Wales168
126.Mynydd Enlli167North Wales167
127.Esgeiriau Gwynion671North Wales166
128.Mynydd Rhyd ddu389North Wales165
128.Mynydd-y-briw341North Wales165
128.Y Golfa341Mid-Wales165
131.Rhos Ymryson327Mid-Wales164
131.Myarth292South Wales164
133.Moelfre589North Wales162
133.Cyrn-y-Brain565North Wales162
133.Pen y Garn-goch487Mid-Wales162
136.Banc Llechwedd-mawr560Mid-Wales161
136.Gwaunceste Hill542Welsh Border161
136.Mynydd Llangorse515South Wales161
139.Tor y Foel551South Wales157
139.Mynydd Cwmcelli469North Wales157
139.Carn Gafallt466Mid-Wales157
139.The Begwns415Welsh Border157
139.Carneddol235North Wales157
144.Penycloddiau440North Wales156
144.Bryn Arw384South Wales156
146.Cefn Cenarth460Mid-Wales155
146.Hafod Ithel361Mid-Wales155
148.Y Lliwedd898North Wales154
148.Black Mountain703South Wales154
148.Craig yr Allt273South Wales154
151.Craig y Castell321North Wales153
152.Foel Fenlli510North Wales152
152.Disgwylfa Fawr507Mid-Wales152
152.Mynydd Dinas258South Wales152
152.Brandy Hill206Mid-Wales152
156.Mynydd y Cwm304North Wales150
156.Mynydd Anelog191North Wales150

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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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