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The Connacht Marilyns

Summits in Connacht with at least 150m prominence
A Marilyn is a summit in the UK or Ireland of any height with a topographical prominence of at least 150 metres. This page focuses on Marilyns in the province of Connacht as originally listed by the late E.D. ‘Clem’ Clements. The Connacht Marilyn sub-list currently comprises 101 summits.
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The Connacht Marilyns is one of the first two dedicated hill lists ever to be published that focus on summits in the province. The other list is the Connacht Hewitts. These lists were originally published right here on The Ireland Walking Guide website on 14th February 2024.

Since E.D. ‘Clem’ Clements’ death a Legacy Committee has been formed to safeguard all his hill related documents, which also include his hill lists, with the co-custodian responsibility for the Irish Marilyns now being with Myrddyn Phillips and David Purchase.

We would like to thank Myrddyn and David for agreeing the inclusion of Clem's list on The Ireland Walking Guide website and for supporting the creation of this hillwalking challenge.

Mountain and hill summits offer great walking opportunities all year round, however we particularly recommend visiting them during months when the days are longest. For this reason, we promote upland walking as our monthly theme for June.

#JuneUplandWalk

Connacht map
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​Each marker on the map represents the location of a Marilyn summit in Connacht. Click on a marker for further information about that location. All the summit locations marked on this map have also been listed in height order below.

Listed by height
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Summit name Elevation Irish Grid Reference Upland area
Mweelrea 814m L:790:668 Mweelrea Mountains
Nephin 806m G:103:080 Standalone mountain summit
Ben Lugmore 803m L:812:674 Mweelrea Mountains
Barrclashcame 772m L:849:695 Sheeffry Hills
Croagh Patrick 764m L:906:802 Croagh Patrick Hills
Benbaun 729m L:786:539 The Twelve Bens
Slieve Carr 721m F:915:145 Nephin Beg Range
Corranabinnia 716m F:903:032 Nephin Beg Range
Bencorr 711m L:811:522 The Twelve Bens
Binn idir an dá Log 702m L:888:528 Maumturk Mountains
Ben Gorm 700m L:862:652 Ben Gorm Mountains
Birreencorragh 698m G:025:050 Nephin Beg Range
Bencollaghduff 696m L:798:530 The Twelve Bens
Benbreen 691m L:783:515 The Twelve Bens
Croaghaun 688m F:560:061 West Achill Hills
Maumtrasna 682m L:961:637 Partry Mountains North
Slievemore 671m F:650:087 West Achill Hills
Letterbreckaun 667m L:856:551 Maumturk Mountains
Bengower 664m L:783:506 The Twelve Bens
Binn Mhór 661m L:918:494 Maumturk Mountains
Muckanaght 654m L:768:541 The Twelve Bens
Truskmore 647m G:759:473 Dartry Mountains Northwest
Devilsmother 645m L:916:624 Partry Mountains North
Bencullagh 632m L:755:537 The Twelve Bens
Nephin Beg 627m F:932:102 Nephin Beg Range
Leenaun Hill 618m L:874:593 Maumturk Mountains
Corcóg (611m) 611m L:952:491 Maumturk Mountains
Garraun 598m L:767:610 Garraun Hills
Annacoona Top 597m G:728:463 Dartry Mountains Northwest
Buckoogh 588m F:995:017 Nephin Beg Range
Slieve Anierin 585m H:019:159 Iron Mountains
Benbrack 582m L:765:558 The Twelve Bens
Bengorm 582m F:928:013 Nephin Beg Range
Bunnacunneen 575m L:939:577 Partry Mountains South
Knockalongy 544m G:504:275 Ox Mountains
Slieve Aghkerane 541m L:778:961 Corraun Hills
Doughruagh 526m L:750:594 Garraun Hills
Arroo 523m G:833:521 Dartry Mountains Northeast
Minaun 466m F:661:020 East Achill Hills
Crockauns 463m G:760:410 Dartry Mountains Southwest
Knockmore 462m L:669:862 Clare Island Hills
Dough Mountain 462m G:941:423 Dartry Mountains Northeast
Carrane Hill 458m G:844:207 Arigna Mountains
Knockletragh 452m F:782:004 Corraun Hills
Boleybrack 449m G:931:322 Dartry Mountains Southeast
Diamond Hill 442m L:731:570 The Twelve Bens
Thur Mountain 432m G:980:404 Dartry Mountains Northeast
Croaghmoyle 430m M:098:983 Croaghmoyle Hills
Roighne Mhór 426m L:916:585 Partry Mountains North
Bothan 424m M:006:559 Partry Mountains South
Benlevy 418m M:050:549 Partry Mountains South
Knocknasliggaun 417m G:371:156 Ox Mountains
Benbo 415m G:850:377 Dartry Mountains Southwest
Largan Hill 413m G:391:177 Ox Mountains
Lissoughter 401m L:859:495 Standalone summit
Lackavrea 396m L:983:495 Maumturk Mountains
Farbreiga 395m G:170:025 Croaghmoyle Hills
Knockakishaun 390m L:869:758 Croagh Patrick Hills
Bullaunmore 388m G:007:086 Nephin Beg Range
Maumakeogh 379m G:037:368 Maumakeogh Hills
Teevnabinnia 379m L:825:641 Mweelrea Mountains
Glenbeg East 372m M:036:599 Partry Mountains North
Knocklettercuss 370m F:876:198 Nephin Beg Range
Cashlaundrumlahan 365m M:586:047 Slieve Aughty Mountains East
Kesh Corann 359m G:713:126 Bricklieve Mountains
Shannavara 358m L:933:438 Shannavara Hills
Tully Mountain 356m L:672:611 Standalone summit
Cnoc Mordáin 354m L:864:378 Cnoc Mordáin Hills
Knocknasilloge 346m M:012:397 Knocknasilloge Hills
Tawnaghmore 340m F:960:395 Tawnaghmore Hills
Knockmore 337m L:690:994 East Achill Hills
Slieve Fyagh 335m F:919:299 Maumakeogh Hills
Letterettrin 333m L:795:620 Standalone summit
Slieve Alp 329m F:866:131 Nephin Beg Range
Knocknarea 327m G:626:345 Standalone summit
Tristia 322m G:072:095 Standalone summit
Bricklieve Mountains 321m G:753:117 Bricklieve Mountains
Cashel Hill 310m L:800:436 Standalone summit
Keeraunnageeragh 305m M:050:475 Keeraunnageeragh Hills
Glinsk 304m F:948:420 Tawnaghmore Hills
Errisbeg 300m L:698:401 Roundstone Hills
Killerry Mountain 293m G:751:317 Standalone summit
Tievereivagh 286m L:710:957 East Achill Hills
Lettertrask 279m F:971:095 Nephin Beg Range
Knocknashee 276m G:556:191 Standalone summit
Slieve Daeane 275m G:711:299 Standalone summit
Carrafull 269m F:870:246 Maumakeogh Hills
Slieve Bawn 262m M:954:744 Standalone summit
Slieve Carn 262m M:297:881 Standalone summit
Barnacuille 260m F:811:375 North Carrowmore Hills
Benwee Head 255m F:816:443 Benwee Head Hills
Brislagh 255m G:759:048 Curlew Mountains
Knocknascollop Northwest Top 244m F:801:298 South Carrowmore Hills
Bunmore 243m F:814:115 Standalone summit
Knockaghaleague 237m G:117:348 Standalone summit
Mullaghanoe 234m M:524:990 Standalone summit
Barradeegin 229m F:868:431 Benwee Head Hills
Krinnuck 214m F:680:078 East Achill Hills
Carranarah 197m G:285:029 Ox Mountains
Inishturk 191m L:606:752 Inishturk Hills
Maumfin 172m L:646:588 Standalone summit

The Connacht Marilyns

  • Mweelrea (814m)
  • Nephin (806m)
  • Ben Lugmore (803m)
  • Barrclashcame (772m)
  • Croagh Patrick (764m)
  • Benbaun (729m)
  • Slieve Carr (721m)
  • Corranabinnia (716m)
  • Bencorr (711m)
  • Binn idir an dá Log (702m)
  • Ben Gorm (700m)
  • Birreencorragh (698m)
  • Bencollaghduff (696m)
  • Benbreen (691m)
  • Croaghaun (688m)
  • Maumtrasna (682m)
  • Slievemore (671m)
  • Letterbreckaun (667m)
  • Bengower (664m)
  • Binn Mhór (661m)
  • Muckanaght (654m)
  • Truskmore (647m)
  • Devilsmother (645m)
  • Bencullagh (632m)
  • Nephin Beg (627m)
  • Leenaun Hill (618m)
  • Corcóg (611m)
  • Garraun (598m)
  • Annacoona Top (597m)
  • Buckoogh (588m)
  • Slieve Anierin (585m)
  • Benbrack (582m)
  • Bengorm (582m)
  • Bunnacunneen (575m)
  • Knockalongy (544m)
  • Slieve Aghkerane (541m)
  • Doughruagh (526m)
  • Arroo (523m)
  • Minaun (466m)
  • Crockauns (463m)
  • Knockmore (462m)
  • Dough Mountain (462m)
  • Carrane Hill (458m)
  • Knockletragh (452m)
  • Boleybrack (449m)
  • Diamond Hill (442m)
  • Thur Mountain (432m)
  • Croaghmoyle (430m)
  • Roighne Mhór (426m)
  • Bothan (424m)
  • Benlevy (418m)
  • Knocknasliggaun (417m)
  • Benbo (415m)
  • Largan Hill (413m)
  • Lissoughter (401m)
  • Lackavrea (396m)
  • Farbreiga (395m)
  • Knockakishaun (390m)
  • Bullaunmore (388m)
  • Maumakeogh (379m)
  • Teevnabinnia (379m)
  • Glenbeg East (372m)
  • Knocklettercuss (370m)
  • Cashlaundrumlahan (365m)
  • Kesh Corann (359m)
  • Shannavara (358m)
  • Tully Mountain (356m)
  • Cnoc Mordáin (354m)
  • Knocknasilloge (346m)
  • Tawnaghmore (340m)
  • Knockmore (337m)
  • Slieve Fyagh (335m)
  • Letterettrin (333m)
  • Slieve Alp (329m)
  • Knocknarea (327m)
  • Tristia (322m)
  • Bricklieve Mountains (321m)
  • Cashel Hill (310m)
  • Keeraunnageeragh (305m)
  • Glinsk (304m)
  • Errisbeg (300m)
  • Killerry Mountain (293m)
  • Tievereivagh (286m)
  • Lettertrask (279m)
  • Knocknashee (276m)
  • Slieve Daeane (275m)
  • Carrafull (269m)
  • Slieve Bawn (262m)
  • Slieve Carn (262m)
  • Barnacuille (260m)
  • Benwee Head (255m)
  • Brislagh (255m)
  • Knocknascollop Northwest Top (244m)
  • Bunmore (243m)
  • Knockaghaleague (237m)
  • Mullaghanoe (234m)
  • Barradeegin (229m)
  • Krinnuck (214m)
  • Carranarah (197m)
  • Inishturk (191m)
  • Maumfin (172m)

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