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Slieve Snaght Mountain Sliabh Sneachta A name in Irish
(Ir. Sliabh Sneachta [DUPN], 'mountain of snow') Donegal County, in Arderin, Vandeleur-Lynam Lists, Psammitic schist with pebbly grit beds Bedrock

Height: 615m OS 1:50k Mapsheet: 3 Grid Reference: C42448 39021 This summit has been logged as climbed by 144 members. Recently by: IainT, Wildrover, Jdunne365, vmchale, Cobhclimber, sp.osullivan, sperrinlad, glencree, Docrallying, Kapty, seanc15, Heathcliff, PeteBog, pearnett, Cathal-Kelly
I have climbed this summit: YES (You need to be a logged-in member to change this.)

Longitude: -7.334244, Latitude: 55.196439 , Easting: 242448, Northing: 439021 Prominence: 600m,   Isolation: 1.7km,   Has trig pillar
ITM: 642388 939001,   GPS IDs, 6 char: Slv615, 10 char: SlvSngh615
Bedrock type: Psammitic schist with pebbly grit beds, (Upper Crana Quartzite Formation)

There is a tradition of pilgrimage to Slieve Snaght and a well near the summit is associated with a cure for blindness (Tobar na Súl) [Colhoun]. See Máire MacNeill, 'The Festival of Lughnasa' (pp. 145-46) for details of the festive assembly on Slieve Snaght. The mountain is said to be so named because snow lies on it until the fair of Carndonagh, which is the 21st of May [OSNB]. Its satellites are Slieve Main, Crocknamaddy and Damph. A limelight erected on the summit of Slieve Snaght was observed on Divis by the Ordnance Survey in 1825. This enabled them to establish trigonometrical baselines and link the Irish survey to the English one, before going on to survey the whole country of Ireland.   Slieve Snaght is the highest mountain in the Inishowen area and the 261st highest in Ireland.

Trackback: http://mountainviews.ie/summit/250/
COMMENTS for Slieve Snaght 1 2 3 Next page >>
MountainViews.ie Picture about mountain Slieve Snaght in area Inishowen, Ireland
Picture: Slieve Snaght from the South.
Boggy footed summit with great sea and mountain views.
Short Summary created by simon3,  19 Sep 2013
Various routes are available for this summit, the only Vandeleur-Lynam on the Inishowen peninsula.
One place to start is from the unfenced road at around C4426 3722 A. While not an inspiring route due to the wet untracked and vegetated terrain, this has the merit of making it easily possible to also go to Damph.

Another eastern route uses the bog road starting at C 450393 B. Or it is possible to start from a bog track to the west at C408423 C. Or from near a derelict cottage at C 392 368 D.

The summit has a collection of amateur cairns built from the plentiful supply of loose rock near the top. Near the trig pillar is a well which supposedly has a cure for eye problems (or maybe a cause?). There are fine views to the Loughs Swilly and Foyle, to the sea, to much of Inishowen, to Muckish and to the Sperrins. Trackback: http://mountainviews.ie/summit/250/comment/5010/
MountainViews.ie Picture about mountain Slieve Snaght in area Inishowen, Ireland
Picture: the fantastic summit of S Snaght
gerrym on Slieve Snaght, 2008
by gerrym  10 Oct 2008
'Walk Guide West of Ireland' (P.Simms & T. Whilde) gives a route from the east at 443369 E but I took the advice of Paddy Dillon in 'The Mountains of Ireland' where he describes this as "the shortest, boggiest and least inspiring route". I started from a bog track on the west at 408423, can park here where track forks. Walk up track , turn left and ford stream, turn right and at small quarry head onto hillside in front , aiming for some large boulders. There are a series of rises separated by flat areas of bog. The ground becomes rockier as approach the minor summit of Slieve Snaghtbeg (505 m) which is topped by a cairn. Cross over gap to the south for the climb to the summit. The summit is a weird scape of rocks and boulders, with cairns and very large walled trig point - it does feel other worldly (see pic for a little flavour). There are good views west across to Ragtin More and Urris Hills behind the shapely Bulbin and south to neighbouring Slieve Main. On a good day I am sure the views would be much more extensive. One and a half hours to the top and it is only logical to take in Slieve Main as well.No one else on the hill when I climbed on 23rd April 2004 Trackback: http://mountainviews.ie/summit/250/comment/1069/
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MountainViews.ie Picture about mountain Slieve Snaght in area Inishowen, Ireland
Picture: Thomas Drummond
The heights, successes and perils of hill-surveying.
by simon3  14 Oct 2013
Slieve Snaght was the site of experiments in early surveying in October 1825. Thomas Drummond a Scot, inventor and officer in the Royal Engineers camped out on the top as part of the tests.

Their aim was allow the top to be seen from Divis near Belfast, some 106.6km away. The problem was doing this in the often hazy air. They tried using a heliotrope during the day. This is essentially a mirror to reflect the sun. The way that ultimately proved more successful was to use the Drummond Light, an intense light source, which was essentially the progenitor of "limelight" as used for many years in theatres before the advent of electricity.

Drummond was on Slieve Snaght with some 12 soldiers and a mini camp ( which included a cookhouse! ) and there were assistants on Divis watching as required. Coordination between the two peaks was obviously difficult and transmitted by letters which took days to travel, with stories of letter-carriers getting lost on mountainsides.

The Drummond Light is also interesting and was the most intense light source available in the nineteenth century. Drummond had refined earlier versions of this. It is based on properties of calcium oxide (quicklime). This substance doesn't melt until it reaches 2,572 °C. It can be heated t so hot that it incandenesces a very white colour. The heating was achieved by burning oxygen and alcohol in a flame directed at the piece of quicklime. Another process called candoluminescence whereby the hot gases created by the burning become even hotter than the flame or the quicklime creates further brightness.

Imagine therefore a group of men with a magnificent Victorian contraption battling atrocious weather to maintain the light for long agreed periods hoping that someone could see it but not actually verifying this for days.

Drummond wrote "The wind encreased to a gale and a sweeping Shower of rain passed over the Mountain... What a Villainous Climate."

Drummond had also proposed the use of limelight for use in lighthouses as well as theatres but moved on to other things and to an early death as this quotation (from a third hand source) may reveal:

"However, Drummond, deeply impressed by the terrible situation of Ireland and he had observed during the Survey, had suddenly glided into politics and the Drummond light would never be really applied to lighthouses . Ireland became Drummond’s adoptive country and he was appointed from 1835 to his death in 1840, as “Irish under -secretary” in Dublin, a very high position in which he acquired “the affections of the masses of the people”. His untimely death was a long - term consequence of “a long and severe illness” caught during the Survey where “ he had suffered much from inclement weather and from frequently standing in deep water”.

Let us hope that the hill-surveying that MountainViews does today does not result in any fatalities, delayed or otherwise.

Sources: The Early Years of the Ordnance Survey by Charles Close, 1929
and http://en.wikipedia.org/wiki/Limelight Trackback: http://mountainviews.ie/summit/250/comment/15228/
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Innishowen's Finest!
by Heathcliff  30 Mar 2016
Heathcliff:16/03/2016 climbed Slieve Snaght (615m) via Slieve Snaghtbeg (505m) in warm sunshine and descended via Slieve Main( 514m) after a wonderful 4/5 hour walk! A 12 km trek with a total ascent of approx 650m,using OSi map no.3.
I parked at Drumfree(Drumfries on road sign) School on R244 between Carndonagh and Buncrana at C386392 F.I headed southwards(10 m) in direction of Buncrana before turning northeastwards up a narrow lane way. Tarmac soon turns to stony track and you cross two metal gates before veering right at a crossroads,signed Slieve Snaght. At the end of this track you are left to decide your route up the mountain! I chose to ascend gradually up grassy/heathery slopes northeastwards before looping around to climb Slieve Snaghtbeg southwestwards up moderately steep slopes,a flat section,and then a steep rise to the summit cairn.
From Snaghtbeg I descended southwards along flat grassy section before turning southeast up peaty slopes to rock strewn summit with a stone shelter and trig point. A great spot to pause for lunch and take in the extensive views.
Southwestwards from the summit lies Slieve Main's 'whaleback top'. To reach it descend south and then southwestwards down a steepish slope to a peaty col and a stream which you cross. Pick your route and ascend up a grassy slope to the broad summit(no trig point)!
A steepish slope northeastwards and then northwestwards brings you to a flat area. On a clear day you should have already been able to spot the track you left earlier in the day,and now head for this, keeping well to the right of some trees.
If you are thirsty the North Pole Bar is a short distance from where you parked your car. The pub has an interesting history and I think it is a ' listed' building. Altogether a really great walk up Innishowens highest mountain!!!!! Trackback: http://mountainviews.ie/summit/250/comment/18480/
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MountainViews.ie Picture about mountain Slieve Snaght in area Inishowen, Ireland
padodes on Slieve Snaght, 2007
by padodes  2 Jul 2007
This is the summit trig pillar on Slieve Snaght (Inishowen), with the peculiarity of being almost fully entombed in a cairn-like structure. Nearby I found the equally unusual feature of a pile of tractor and car tyres whose purpose was as unclear as it was unsightly. The jagged spikes of rock that cover the top (set up by pilgrims or just a whim of Mother Nature?) would make a dream-bed for a fakir. I started up from the E side, from a point on the bog road at C 450 393, walking over marshy land at first before climbing steeply up to the summit. There are long sheep fences on this side of the mountain, with ne'er a stile in sight, but enterprising sheep don't seem to have found that a great obstacle to free passage. From the top, I walked south to Slieve Main and then triangulated back to my point of departure. Damph would have been a further obvious top to visit, but on the hot and rainy day I did this walk the combination of bog and fence and Donegal midges got the better of me in the end. Trackback: http://mountainviews.ie/summit/250/comment/2759/
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MountainViews.ie Picture about mountain Slieve Snaght in area Inishowen, Ireland
Picture: Looking over Mintiaghs Lough & Bulbin towards Urris Hills, Raghtin More & Raghtin Beg from Snaght
eflanaga on Slieve Snaght, 2006
by eflanaga  26 Feb 2006
(Climbed 06.02.24) Having topped Crocknamaddy & Slieve Main (first part of walk) I reached the col beneath Slieve Snaght (C421379 G). From here it should have been a straightforward ascent, similar in nature to that I had just negotiated to make the top of Slieve Main. However, the climb was now a little further east than before and I wasn’t afforded the protection I had enjoyed while climbing Main. It made for a pretty miserable ascent. The rain, wind, and most notably the gusts which felt much stronger than the predicted 15-20 mph, appeared intent on hurling me of the mountain. Cold and feeling suitably miserable I approached the summit entreating Zeus (Weather God) to at least have the good grace to afford me a clear spell on the summit to take some pictures. He must have been listening because just as I cleared the top, the clouds, as if by magic were swept away, revealing the rock strewn summit, with its numerous mini-cairns and the large rock structure surrounding the Trig point. Unfortunately, while Zeus may have been magnanimous, my camera batteries and the spares decided to chuck a collective wobbly. After some minutes of violent shaking I managed to get one set to take half a dozen pics before they packed it in completely. Being cold and miserable I decided not to dawdle any longer at the Trig point and set a bearing of 246 degrees SW for the 4.5K trek back to Fallask. This route took me west of Slieve Main crossing the Sruthancarragh (C415385 H) after about 1K from the summit. Maintaining the same bearing crossing slightly marshy ground at times, I reached the Kinnego Rd via a track in a newly planted forested area. From here it was a five minute walk back to the car and time for a hot drink, quick lunch and twenty minute drive (via Clonmany) to Urrismenagh, the start of the final leg to the summit of Raghtin More (See Raghtin More for final part of walk). Trackback: http://mountainviews.ie/summit/250/comment/2199/
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OSi logo OSNI/LPS logo
British summit data courtesy:
Database of British & Irish Hills
(Creative Commons Licence)
"ASTER+": Hillshade and Contours
Courtesy of Tiles GIScience Research Group @ Heidelberg University More detail here