Region 43B · Northern Ireland

Mourne Mountains

One of the 95 hill-survey regions used by the Database of British & Irish Hills. Every hill we track in this region is listed below, tallest first — follow any name for its full record, live summit weather and daylight times.

Hills listed
14
Highest hill
Slieve Donard 850 m
Mean height
696 m
Hewitts
14
Marilyns
8

Access rights in this region

Permission needed Right to roam in Northern Ireland: No general right to roam — full Northern Ireland access guide.

This is the general position, not legal advice — local byelaws, seasonal restrictions and closures can override it. See the country-by-country access guide, or query an exact grid reference with the access checker.

All 14 hills, tallest first

Hills in Mourne Mountains, sorted by height descending
# Hill Height Prominence Classifications Grid ref
1 Slieve Donard 850 m 825 m HewittHistoric County TopCurrent County/UA Top +4 J358276
2 Slieve Commedagh 767 m 184 m HewittMarilynHuMP +1 J346286
3 Slieve Binnian 745.9 m 350.6 m HewittMarilynHuMP +1 J320233
4 Slieve Bearnagh 739 m 304 m HewittMarilynHuMP +1 J313280
5 Slievelamagan 702.2 m 195.1 m HewittMarilynHuMP +1 J328260
6 Slieve Meelbeg 701.9 m 184 m HewittMarilynHuMP +1 J300279
7 Slieve Meelmore 687 m 97 m HewittSimm J306287
8 Slieve Binnian North Tor 682 m 54 m HewittSimm J319246
9 Slieve Muck 670.4 m 156 m HewittMarilynHuMP +1 J281249
10 Chimney Rock Mountain 656 m 130 m HewittHuMPSimm J364257
11 Cove Mountain 654.8 m 101.6 m HewittHuMPSimm J336270
12 Eagle Mountain 638 m 264 m HewittMarilynHuMP +1 J244229
13 Shanlieve 627 m 33 m HewittSimm J240226
14 Slieve Loughshannagh 617 m 101 m HewittHuMPSimm J294272

Hill data from the Database of British & Irish Hills v18.3 (CC BY 4.0). Prominence is the drop to the hill's key col; a dash means it is not recorded in our dataset.


Browse the other survey areas on the regions hub, check what you can do at a specific spot with the access checker, and read our safety notes before heading up — hill days here can outlast daylight, especially in winter.