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The Welsh Marilyns

This page shows all the Welsh Marilyns sorted in alphabetical order. I've customised the list based on my visits, showing the first time I climbed each hill, and a total number of ascents.

A Marilyn is a mountain or hill in the United Kingdom, Republic of Ireland or Isle of Man with a relative height of at least 150 metres (492 ft), regardless of absolute height or other merit. The name was coined as a punning contrast to the designation Munro, used of a Scottish mountain with a height of more than 3,000 feet (914.4 m), which is homophonous with (Marilyn) Monroe.

There are 2,009 Marilyns identified: 1,216 in Scotland, 455 in Ireland (of which 66 are in Northern Ireland), 176 in England, 157 in Wales, 5 on the Isle of Man. Black Mountain, in the Black Mountains, on the border between England and Wales, was formerly counted in both countries but is now treated as being in Wales only. The list of Marilyns in Britain was compiled by Alan Dawson in his book The Relative Hills of Britain, and continues to change as resurveying produces revised heights for hills and the passes between them. The list was extended into Ireland by Clem Clements in a booklet, The Hewitts and Marilyns of Ireland.

Source: [Wikipedia]

No. Hill Name Area / Region Height First Ascent No. Asc
1 Aberedw Hill 1479 ft, 450.90 m 0
2 Allt y Main 1168 ft, 356.00 m 0
3 Allt yr Esgair Black Mountains 1288 ft, 392.60 m 0
4 Allt-fawr The Moelwyns 2290 ft, 698.00 m 0
5 Aran Fawddwy The Arans 2971 ft, 905.60 m 0
6 Arenig Fach The Arenigs 2260 ft, 689.00 m 0
7 Arenig Fawr The Arenigs 2802 ft, 854.00 m 0
8 Banc Llechwedd-mawr Central Wales - Pumlumon 1837 ft, 560.00 m 0
9 Beacon Hill 1795 ft, 547.00 m 0
10 Black Mountain Black Mountains 2308 ft, 703.60 m 2007-08-24 1
11 Brandy Hill 676 ft, 206.00 m 0
12 Bryn Amlwg 1601 ft, 488.00 m 0
13 Bryn Arw Black Mountains 1263 ft, 385.00 m 0
14 Bryn y Fan 1581 ft, 482.00 m 0
15 Cadair Berwyn The Berwyns 2730 ft, 832.00 m 0
16 Cadair Idris - Penygadair Cadair Idris 2929 ft, 892.70 m 0
17 Caeliber Isaf 1160 ft, 353.50 m 0
18 Carn Fadryn 1217 ft, 371.00 m 0
19 Carn Gafallt Central Wales - Elan Valley 1529 ft, 466.00 m 0
20 Carnedd Llewelyn The Carneddau 3491 ft, 1064.00 m 0
21 Carnedd Wen 1716 ft, 523.00 m 0
22 Carnedd y Filiast The Arenigs 2195 ft, 669.00 m 0
23 Carneddau 1460 ft, 445.00 m 0
24 Carneddol 774 ft, 235.90 m 0
25 Cefn Cenarth 1509 ft, 460.00 m 0
26 Cefn Eglwysilan 1253 ft, 382.00 m 0
27 Cefn yr Ystrad Brecon Beacons 2025 ft, 617.30 m 0
28 Coety Mountain [Coity Mountain] [Mynydd Coety] 1896 ft, 578.00 m 0
29 Corndon Hill 1685 ft, 513.60 m 0
30 Craig Cwm Silyn Moel Hebog 2408 ft, 734.00 m 0
31 Craig Goch [Mynydd Cwmcelli] Cadair Idris 1536 ft, 468.30 m 0
32 Craig y Castell Cadair Idris 1053 ft, 321.00 m 0
33 Craig y Llyn 1969 ft, 600.00 m 0
34 Craig yr Allt 896 ft, 273.00 m 0
35 Creigiau Gleision The Carneddau 2224 ft, 678.00 m 0
36 Cyrn-y-Brain 1852 ft, 564.60 m 0
37 Disgwylfa Fawr Central Wales - Pumlumon 1663 ft, 507.00 m 0
38 Drosgol Central Wales - Pumlumon 1804 ft, 550.00 m 0
39 Drygarn Fawr Central Wales - Elan Valley 2116 ft, 645.00 m 0
40 Elidir Fawr The Glyders 3031 ft, 924.00 m 0
41 Esgair Ddu Cadair Idris 1522 ft, 464.00 m 0
42 Esgeiriau Gwynion [Foel Rhudd] The Arans 2201 ft, 671.00 m 0
43 Fan Brycheiniog - Twr y Fan Foel Brecon Beacons 2633 ft, 802.50 m 0
44 Fan Fawr Brecon Beacons 2408 ft, 734.00 m 0
45 Fan Gyhirych Brecon Beacons 2382 ft, 726.10 m 0
46 Fan Nedd Brecon Beacons 2175 ft, 663.00 m 0
47 Foel Cae'rberllan Cadair Idris 1247 ft, 380.00 m 0
48 Foel Cedig The Berwyns 2190 ft, 667.40 m 0
49 Foel Cocyn Cadair Idris 1026 ft, 312.80 m 0
50 Foel Cwmcerwyn Preseli 1759 ft, 536.00 m 0
51 Foel Fenlli Clwydian Hills 1676 ft, 510.90 m 0
52 Foel Fynyddau 1214 ft, 370.00 m 0
53 Foel Goch The Arenigs 2005 ft, 611.00 m 0
54 Foel Offrwm The Arenigs 1329 ft, 405.00 m 0
55 Frenni Fawr 1296 ft, 395.00 m 0
56 Gamallt Cadair Idris 945 ft, 288.00 m 0
57 Garn Boduan 915 ft, 279.00 m 0
58 Garreg Lwyd 1634 ft, 498.10 m 0
59 Garreg-hir 1591 ft, 484.90 m 0
60 Garth Hill 1007 ft, 307.00 m 0
61 Glasgwm The Arans 2556 ft, 779.00 m 0
62 Glyder Fawr The Glyders 3284 ft, 1000.90 m 0
63 Graig Syfyrddin [Edmund's Tump] 1388 ft, 423.00 m 0
64 Great Orme 679 ft, 207.10 m 0
65 Great Rhos Central Wales - Radnor Forest 2165 ft, 660.00 m 2015-07-04 1
66 Gwastedyn Hill Central Wales - Elan Valley 1565 ft, 477.00 m 0
67 Gwaunceste Hill Central Wales - Radnor Forest 1779 ft, 542.30 m 0
68 Gyrn Ddu 1713 ft, 522.10 m 0
69 Gyrn Moelfre The Berwyns 1716 ft, 523.00 m 0
70 Hafod Ithel 1184 ft, 361.00 m 0
71 Hirfynydd 1581 ft, 482.00 m 0
72 Holyhead Mountain 722 ft, 220.00 m 0
73 Hope Mountain 1083 ft, 330.00 m 0
74 Llan Ddu Fawr [Waun Claerddu] Central Wales - Pumlumon 1949 ft, 594.00 m 0
75 Long Mountain 1339 ft, 408.00 m 0
76 Maesglase Cadair Idris 2226 ft, 678.50 m 0
77 Manod Mawr The Moelwyns 2169 ft, 661.00 m 0
78 Moel Cynghorion Snowdon 2211 ft, 674.00 m 0
79 Moel Eilio Snowdon 2382 ft, 726.00 m 0
80 Moel Famau Clwydian Hills 1820 ft, 554.80 m 2005-11-20 4
81 Moel Gyw Clwydian Hills 1532 ft, 467.00 m 2006-04-08 1
82 Moel Hebog Moel Hebog 2569 ft, 783.00 m 0
83 Moel Llyfnant The Arenigs 2464 ft, 751.00 m 0
84 Moel Siabod The Moelwyns 2862 ft, 872.20 m 0
85 Moel y Dyniewyd The Moelwyns 1255 ft, 382.40 m 0
86 Moel y Gamelin Clwydian Hills 1893 ft, 576.90 m 0
87 Moel y Golfa 1323 ft, 403.20 m 0
88 Moel Ysgyfarnogod The Rhinogs 2044 ft, 623.00 m 0
89 Moel-ddu Moel Hebog 1814 ft, 553.00 m 0
90 Moel-y-gest 863 ft, 263.00 m 0
91 Moelfre The Rhinogs 1932 ft, 589.00 m 0
92 Moelwyn Mawr The Moelwyns 2526 ft, 770.00 m 0
93 Mwdwl-eithin Hiraethog 1745 ft, 532.00 m 0
94 Myarth Black Mountains 958 ft, 292.00 m 0
95 Mynydd Allt-y-grug 1111 ft, 338.70 m 0
96 Mynydd Anelog 628 ft, 191.40 m 0
97 Mynydd Bodafon [Yr Arwydd] 583 ft, 177.60 m 0
98 Mynydd Carn-y-cefn 1804 ft, 550.00 m 0
99 Mynydd Carningli 1135 ft, 346.00 m 0
100 Mynydd Cynros 1079 ft, 329.00 m 0
101 Mynydd Dinas 847 ft, 258.10 m 0
102 Mynydd Drumau 892 ft, 272.00 m 0
103 Mynydd Enlli 551 ft, 167.90 m 0
104 Mynydd Epynt [Mynydd Eppynt] 1560 ft, 475.50 m 0
105 Mynydd Llangorse Black Mountains 1690 ft, 515.00 m 0
106 Mynydd Llangyndeyrn 863 ft, 263.00 m 0
107 Mynydd Machen 1192 ft, 363.20 m 0
108 Mynydd Mallaen 1516 ft, 462.00 m 0
109 Mynydd Marchywel 1371 ft, 418.00 m 0
110 Mynydd Mawr Moel Hebog 2290 ft, 698.00 m 0
111 Mynydd Nodol The Arenigs 1768 ft, 539.00 m 0
112 Mynydd Rhiw 997 ft, 304.00 m 0
113 Mynydd Rhyd Ddu 1276 ft, 389.00 m 0
114 Mynydd Sylen 932 ft, 284.00 m 0
115 Mynydd Troed Black Mountains 1998 ft, 609.00 m 0
116 Mynydd Twyn-glas 1549 ft, 472.00 m 0
117 Mynydd Uchaf 1171 ft, 357.00 m 0
118 Mynydd y Betws 1224 ft, 373.10 m 0
119 Mynydd y Cwm [Coed Cwm] Clwydian Hills 1000 ft, 304.80 m 0
120 Mynydd y Glyn 1237 ft, 377.00 m 0
121 Mynydd y Lan 1251 ft, 381.30 m 0
122 Mynydd-y-briw The Berwyns 1119 ft, 341.00 m 0
123 Pegwn Mawr 1923 ft, 586.00 m 0
124 Pen Llithrig y Wrach The Carneddau 2620 ft, 798.60 m 0
125 Pen y Fan Brecon Beacons 2907 ft, 886.00 m 0
126 Pen y Garn Central Wales - Pumlumon 2005 ft, 611.00 m 0
127 Pen y Garn-goch Central Wales - Elan Valley 1598 ft, 487.00 m 0
128 Pen-crug-melyn 1070 ft, 326.00 m 0
129 Penycloddiau Clwydian Hills 1442 ft, 439.50 m 2006-10-21 1
130 Pumlumon Fawr [Plynlimon] Central Wales - Pumlumon 2467 ft, 752.00 m 0
131 Rhialgwm The Berwyns 1772 ft, 540.00 m 0
132 Rhinog Fach The Rhinogs 2335 ft, 711.60 m 0
133 Rhinog Fawr The Rhinogs 2362 ft, 720.00 m 0
134 Rhiw Gwraidd 1450 ft, 442.00 m 0
135 Rhobell Fawr The Arenigs 2408 ft, 734.00 m 0
136 Rhos Ymryson 1073 ft, 327.00 m 0
137 Snowdon - Yr Wyddfa Snowdon 3560 ft, 1085.00 m 2008-07-19 1
138 Stingwern Hill 1175 ft, 358.00 m 0
139 Sugar Loaf Black Mountains 1955 ft, 596.00 m 0
140 Tal y Fan The Carneddau 2001 ft, 610.00 m 0
141 Tarren y Gesail Cadair Idris 2188 ft, 667.00 m 0
142 Tarrenhendre Cadair Idris 2080 ft, 634.00 m 0
143 The Begwns 1362 ft, 415.00 m 0
144 Tor y Foel Black Mountains 1808 ft, 551.00 m 0
145 Trichrug 1362 ft, 415.00 m 0
146 Trum y Ddysgl Moel Hebog 2326 ft, 709.00 m 0
147 Tryfan The Glyders 3010 ft, 917.50 m 0
148 Upper Park 1155 ft, 352.00 m 0
149 Waun Fach Black Mountains 2661 ft, 811.00 m 0
150 Waun Rydd Brecon Beacons 2524 ft, 769.20 m 0
151 Wentwood 1014 ft, 309.10 m 0
152 Y Garn The Glyders 3107 ft, 947.00 m 0
153 Y Garn The Rhinogs 2064 ft, 629.00 m 0
154 Y Golfa 1120 ft, 341.40 m 0
155 Y Llethr The Rhinogs 2480 ft, 756.00 m 0
156 Y Lliwedd Snowdon 2946 ft, 897.90 m 0
157 Yr Aran Snowdon 2451 ft, 747.20 m 0
158 Yr Eifl 1840 ft, 560.70 m 0
159 Ysgyryd Fawr Black Mountains 1594 ft, 486.00 m 0