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 |