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Sperrin Mountains Area , NE: Glenshane South Subarea
Feature count in area: 64, by county: Derry: 34, Tyrone: 39, of which 9 are in both Derry and Tyrone, OSI/LPS Maps: 12, 13, 6, 7, 8
Highest Place: Sawel 678m

Starting Places (21) in area Sperrin Mountains:
Altinure Road, Banagher Glen Nature Reserve, Barnes Gap Car Park, Crocknakin, Drumnaspar Picnic CP, Glenchiel Road, Glenedra Bridge, Glenelly Road, Parkreagh, Goles Road, Lough Ouske, Moneyneany Village, Moydamlaght Forest, Moydamlaght Road, Mullaghmore, Mullaghbane, Spaltindoagh, Sperrin Hamlet, Sperrin Heritage Centre, Sperrin Heritage Centre W, Sperrin Road, Barnes Top, Sperrin Road, Glashagh Bridge, Sperrin Road, Sperrin

Summits & other features in area Sperrin Mountains:
E: Magherafelt Hills: Slieve Gallion NE Top 493.6m
E: Magherafelt Hills: Slieve Gallion 526.6m
N: Claudy Hills: Crockdooish 321m, Curradrolan Hill 270m, Eglish 277m, Letterlogher 249m, Mullaghmeash Hill 244m, Slieveboy 259m, Straid Hill 303m
NE Cen: Glenelly North East: Barnes Top 456m, Craigagh Hill 460m, Crockbrack 526.1m, Knockanbane Mountain 441m, Meenard Mountain 620m, Meenard Mtn W Top 480m, Mullaghaneany 627m, Mullaghash 480m, Mullaghsallagh 485m, Oughtmore 569m, Spelhoagh 568m
NE: Glenshane North: Benbradagh 465m, Boviel Top 454m, Carn Hill 448m, Carntogher 464m, Moneyoran Hill 414m
NE: Glenshane South: Bohilbreaga 478m, Coolnasillagh Mountain 423m, Corick Mountain 430m, Crockalougha 407m, Mullaghmore 550m, White Mountain 537m
NW Cen: Glenelly North West: Dart Mountain 619m, Dart Mountain North-West Top 525m, Learmount Mountain 489m, Learmount Mountain South Top 492m, Mullaghasturrakeen 581m, Mullaghcarbatagh 517m, Mullaghclogha 635m, Mullaghclogher 572m, Mullaghdoo 568m, Sawel 678m
NW: Maheramason Hills: Clondermot Hill 220m, Gortmonly Hill 218m, Slievekirk 370m
SE Cen: Glenelly South East: Carnanelly 562m, Carnanelly West Top 503.4m, Mullaghbane 467m, Mullaghturk 416m
SE: Cookstown Hills: Cregganconroe 300m, Fir Mountain 362m, Oughtmore 382m
SW Cen: Glenelly South West: Clogherny Top 408m, Craignamaddy 385m, Crocknamoghil 335m, Mullaghbolig 442m, Spaltindoagh 420m
SW: Mullaghcarn: Curraghchosaly Mountain 416m, Mullaghcarn 542m, Mullaghcarn South Top 525m
SW: Newtownstewart Hills: Bessy Bell 420m, Mullaghcroy 242m
W: Strabane: Balix Hill 403m, Knockavoe 296m, Owenreagh Hill 400m

Note: this list of places may include island features such as summits, but not islands as such.
Rating graphic.
Coolnasillagh Mountain, 423m Hill Sliabh Chúil na Saileach A name in Irish,
Place Rating ..
, Derry County in Ulster province, in Carn Lists, Coolnasillagh Mountain is the 839th highest place in Ireland.
Grid Reference C77553 00691, OS 1:50k mapsheet 8
Place visited by: 42 members, recently by: madfrankie, Colin Murphy, Paddym99, Sperrinwalker, garybuz, pdtempan, Andy1287, Kilcoobin, eamonoc, David-Guenot, Fergalh, trostanite, LorraineG60, MichaelG55, eflanaga
I visited this place: NO (You need to be a logged-in member for this.)
Longitude: -6.793491, Latitude: 54.847967, Easting: 277553, Northing: 400691, Prominence: 48m,  Isolation: 1.7km
ITM: 677485 900679
Bedrock type: Psammite & semipellite, (Glenelly Formation)

  Short or GPS IDs, 6 char: ClnsMn, 10 char: ClnslgMntn

Gallery for Coolnasillagh Mountain (Sliabh Chúil na Saileach) and surrounds
Summary for Coolnasillagh Mountain (Sliabh Chúil na Saileach): A simple, gentle ascent, track all the way.
Summary created by Colin Murphy 2023-04-24 15:13:37
   picture about Coolnasillagh Mountain (<em>Sliabh Chúil na Saileach</em>)
Picture: High point with Bohilebreaga visible in distance.
Parking for 1 or 2 cars at A (C7863 0128). Follow the gently rising track to the NW for about 800m, where it turns sharply to the SW for another 500m. It then turns again to the SSE, before curving around towards the hill’s highpoint, which is about 50m to the west of the track – a couple of stones atop a grassy mound. Up and down in 40 minutes.
Member Comments for Coolnasillagh Mountain (Sliabh Chúil na Saileach)
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   picture about Coolnasillagh Mountain (<em>Sliabh Chúil na Saileach</em>)
Picture: Looking NE from Coolnasillagh Mountain to Carntogher and in the distance Knocklayd
I can think of two things wrong with that title
by slemish 27 Aug 2010
The obvious one is that at only 423m high it is just a hill not a mountain. Rather more importantly however I feel there may be an error in the first part of the name given by MV to this summit. As far as I can gather from the OS map and the names of two local roads, the correct title for this summit is Coolnasillagh Mountain (with only one 'i'). Perhaps Simon could look into this? Whatever the correct name is, this is a great little hill - easy to climb and commanding a wonderful vista from its north-eastern face. I parked at a layby on the Coolnasillagh Road, a minor track just off the very busy A6 Glenshane Pass (B (C786 012)). It's a simple trek from here up to the summit, either following the stony track round or as I did straight up the grassy slope. The summit itself is difficult to pinpoint. There was a metal post sticking up out of one of the peat hags which could be the summit although another peat hag nearby looked slightly higher. The view from the summit to the north and east is fabulous - an enormous swathe of Northern Ireland opens up beneath you from Knocklayd in Antrim all the way round to Slieve Gullion in Armagh. Mullaghmore unfortunately blocks the view to the higher Sperrins and Donegal. I was surprised to see a farmer with tractor on the summit collecting the dried turf - one of the rare times I've ever met anyone else on top of a hill. There was also an alarming number of wooden pallets laying about the summit area - presumably these are used for carrying the turf back down. I returned to the car by way of ascent. As three5four0 says, this hill should be climbed if ever in the area as it is easy and well worth it for the views on a good day. I was up and down in half an hour. Linkback:
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   picture about Coolnasillagh Mountain (<em>Sliabh Chúil na Saileach</em>)
Picture: Weird grassy hummocks between Bohilbreaga and Coolnasillagh
Last one of the day.
by dino 28 Mar 2014
This was my third top to tick off the list today and I made this rather easy summit my final one for the route. I found a small pile of rocks at the edge of a track that seems to be the highest point and bang on the summit location according to my GPS. However, with the extensive peat extraction works in evidence all over this hill they may not last much longer and may not be the highest point for long either. Great views though and a nice way to finish my day. This summit was part of a 20km walk that I have uploaded as a route. Linkback:
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three5four0 on Coolnasillagh Mountain
by three5four0 23 Aug 2009
There is enough space to park by the track / road junction at B (C786 012). From here follow the bog track to another junction at C (C776 011), turning left here, pass another track junction (keeping right). Follow this track up hill, turning right at the next junction continuing to the summit area. Pick your peat hag before the turf cutting lowers this mountains height further! Good views from the top and with a quick ascent means this hill can be fitted in when your passing through the Glenshane Pass Linkback:
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An easy but rewarding stroll
by pdtempan 9 Apr 2022
I tackled Coolnasillagh Mountain from the minor road to the E, parking at A (C7863 0128). From here there is a track which climbs gradually to the WNW, with views into Glenshane. At first it appears to make little progress towards the summit, but after a while it turns SW, and then a rougher track to the left climbs SE onto the ridge, so by this somewhat circuitous route you sneak up on Coolnasillagh from behind. There is a good path all the way and no fences or gates to contend with. From the ridge there is a fine view to the E towards Slemish and the Mourne Mountains and the final climb to the summit is also easy. The whole walk took me 50 mins there and back. Linkback:
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British summit data courtesy:
Database of British & Irish Hills