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Comeragh Mountains Area , Cen: Knockanaffrin Subarea
Feature count in area: 24, all in Waterford, OSI/LPS Maps: 74, 75, 81, 82, EW-C, EW-K
Highest Place: Kilclooney Mountain 792m

Starting Places (25) in area Comeragh Mountains:
Aughatriscar Bridge, Carey's Castle, Carrickaruppora S, Carronadavderg Wood, Colligan Bridge, Colligan Source, Coumduala Lough Path, Croghaun Hill CP, Douglas River Wood, Dromona Wood, Guilcagh Wood, Kilclooney Wood CP, Laghtnafrankee Road, Lough Mohra Rath Beag Loop Walk, Mahon Falls CP, Maum Road, Moanyarha, Moanyarha Bog, Monarud, Mountain View, New Quay CP, Nire Valley CP, Old Bridge Clonmel, Old Slate Mine CP, River Ire R676 L96761

Summits & other features in area Comeragh Mountains:
Cen: Comeragh Central: Carrignagower 767m, Coumfea 741.9m, Coumfea North Top 728.3m, Coumfea West Top 711m, Croughaun Hill 391m, Curraghduff 750.1m, Kilclooney Mountain 792m, Knockaunapeebra 724.4m
Cen: Knockanaffrin: Knockanaffrin 755m, Knockanaffrin South Top 628m, Knocksheegowna 675.7m
E: Portlaw Hills: Donnell's Hill 242.8m, Tower Hill 238m
N: Laghtnafrankee: Kilmacomma Hill 211m, Laghtnafrankee 520m, Laghtnafrankee SW Top 425m, Long Hill 404m
S: Monavullagh Mountains: Bleantasour Mountain 402m, Coumaraglin Mountain 614.6m, Crohaun 484m, Milk Hill 451m, Seefin 725.6m
SW: Drum Hills: Carronadavderg 301m, Dromona Hill 156m

Note: this list of places may include island features such as summits, but not islands as such.
Rating graphic.
Knockanaffrin, 755m Mountain Cnoc an Aifrinn A name in Irish,
Place Rating ..
(Ir. Cnoc an Aifrinn [OSI], 'hill of the mass'), Stol a' tSaighdiúirí, Waterford County in Munster province, in Arderin, Vandeleur-Lynam, Irish Highest Hundred Lists, Knockanaffrin is the third highest mountain in the Comeragh Mountains area and the 76th highest in Ireland.
Grid Reference S28560 15290, OS 1:50k mapsheet 75
Place visited by: 443 members, recently by: farmerjoe1, Marykerry, Limerick5inarow, Sweeney, jellybean, Nomad691, kieran117, rhw, Tuigamala, Deirdreb, maryblewitt, Prem, Carolineswalsh, knightsonhikes, Chopper
I visited this place: NO (You need to be a logged-in member for this.)
Longitude: -7.58229, Latitude: 52.288968, Easting: 228560, Northing: 115290, Prominence: 289m,  Isolation: 1.1km
ITM: 628497 615337
Bedrock type: Green thick-bedded conglomerate, (Treanearla Formation)

  Short or GPS IDs, 6 char: Kncknf, 10 char: Kncknfrn

Gallery for Knockanaffrin (Cnoc an Aifrinn) and surrounds
Summary for Knockanaffrin (Cnoc an Aifrinn): Shapely outlier to the north of the Comeraghs' plateau
Summary created by jackill, markmjcampion 2023-03-07 12:32:29
   picture about Knockanaffrin (<em>Cnoc an Aifrinn</em>)
Picture: SE ridge to the south top
Knockanaffrin lies just to the SE of Clonmel and is separated from the main Comeragh range by a distinctive col. It's a bulky, steep-sided mountain with two nice high-level lochs. Great views abound incl. the N coums of the Comeraghs, Slievenamon, Mt. Leinster and the Galtees/Knockmealdowns.

SW. Park at the busy but commodious Nire (S27674 12847). Head E uphill on grassy then heathery slopes roughly following a line of white wooden posts. Go through a small gate in a sheep fence and follow the track uphill, downhill then gently uphill again to The Gap at A (S30103 13417). Turn NW, keeping the fence and an increasing vertical drop to your right. It's one of the finest ridges in the country with fine views on either side but the trail is quite eroded. Cross a fence just below the summit rocks. Allow 2 hrs

From this car park you can also follow a trail along a spur directly to the S top and you can also reach The Gap from a trail starting at the end of the road approx. 500m S of the car park.

NE. Park at the forestry entrance Mohra (S28530 17969) and follow well-marked forest trails to Lough Mohra.
From the N of the lough take the feint spur that will bring you to the col on the NW side of Knockanaifrinn and from here follow the obvious trail to the summit. Allow 90 mins+

E. Start at Douglas (S32203 14493) from where there is an official trail to the Gap. Allow 1 hr to the Gap and another hr along the aforementioned ridge to the summit.
Notable tracks include track/2338 and track/3588.
Member Comments for Knockanaffrin (Cnoc an Aifrinn)
Comment create / edit display placeholder

   picture about Knockanaffrin (<em>Cnoc an Aifrinn</em>)
simon3 on Knockanaffrin
by simon3 7 May 2004
The picture shows Coumduala Lough, SE of Knockanaffrin. Writing of this Claude Wall [Mountaineering in Ireland] said “There is a row of perpendicular boiler plated slabs about twenty feet in height, high in the cliff above Coumduala Lough, which provides an exciting traverse.” I’m not quite sure where he meant, but certainly walking along the edge amongst the various rocky outcrops gives quite a sense of exposure.

Unfortunately the ridge route from “The Gap”, the saddle between Knockanaffrin and the Comeragh plateau has considerable footpath erosion. Despite this, the ridge must be one of the best ridges to walk along in the country, with fine views on both sides. Linkback:
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   picture about Knockanaffrin (<em>Cnoc an Aifrinn</em>)
Picture: Knockanaffrin Ridge
Knocking on Heaven's Door
by gerrym 22 Oct 2013

An approach from the north which provides the full perspective on this wonderful mountain - from the fine and lofty ridge walk to the return beneath its striking slopes. John G. O'Dywer outlines the walk in his excellent book "Tipperary & Waterford A Walking Guide" and it can be watched on the youtube link above.

A gated forest entrance with room for several cars and a highly informative notice board detailing looped walks in the area provides a good start ( Mohra (S284 180)). Head towards the distant sharply defined peak beneath which nestles Lough Mohra, along excellent marked forest tracks. A metal stile is crossed and it is not until the last minute that Lough Mohra comes into view, nestled perfectly beneath the steep slopes that were gouged to create this resting place (B (S284 161)).

Clouds raced over the sharp top as if it was an Everest tribute act (well in my mind anyway). Ravens circled and landed on the crags with sheep bleating in response. Reluctantly left the waters to head for the col between Knockanaffrin and Knocksheegowna. Reach the col and pass rocky outcrops on way to the summit of Knocksheegowna. There is easy walking with stunning views westward to the Knockmealdown and Galtee Mountains. The trig pillar sits just below a finger of rock and gives views over an expanse of moor to Laghtnafrankee.

Drop back to col and a short climb brings the Knockanaffrin Ridge itself. Jumbled rocks and easy walking bring more jumbled rocks hiding the summit cairn, but not hiding the expansive views stretching northward over the low ground below. The ridge continues impressively towards the main Comeragh plateau further east and makes walking a pure pleasure.

Coumduala Lough appears far below standing out strikingly against the mountainscape. Drop down to the meeting of tracks at The Gap and cross the stile to head back the way have come but on the lowside. A track of sorts contours the hillside around the 460-500 metre mark and delivers the prize of Coumduala Lough up close and personal (C (S294 143)). A really peaceful place with waters sparkling in the sunlight and the flies dancing crazily when the breeze dropped, like the disco to end all discos with no music or people!

Drop down through all sorts of ground, not in a bad way though! Heading always towards the forest edge. It was then quite a long walk back through the forest tracks to the starting point. Met a fox here and he was definitely more surprised than me.

A great day weather wise made this a stunning walk. Highly recommended, not too difficult with easy walking for the most part. Fantastic views on the ridge and only met another couple on the length of the walk. Linkback:
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   picture about Knockanaffrin (<em>Cnoc an Aifrinn</em>)
simon3 on Knockanaffrin
by simon3 20 May 2004
The actual summit is a jutting outcrop of the conglomerate rock that much of the Comeraghs are made of. The presence of such outcrops on summits (tors) in the area is thought to indicate that these mountain tops were not overridden by the icesheets of the recent ice-ages.

During the primary triangulation of Ireland Knockannafrin was a key point around 1829.

When I visited the summit in May 2004, there were two round and hollow structures built of piled rocks, which look like shelters. The photo shows part of one of these with a view SW along a spur of Knockanaffrin to a cairn (shown as at 718m on the OS). Linkback:
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   picture about Knockanaffrin (<em>Cnoc an Aifrinn</em>)
jackill on Knockanaffrin
by jackill 9 May 2005
View from the top of Knockanaffrin - with point 634 m slightly right of centre and point 605 m slightly left of centre with Coumduala Lough underneath. Knocknalingady and Fauscoum are left of 605 m in the background and the "bump" on the side of the hill (extreme left ,background) is the north side of Coumshingaun which can be reached from Kilclooney wood KilclooneyWd (S342 102) Linkback:
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   picture about Knockanaffrin (<em>Cnoc an Aifrinn</em>)
Picture: On Knocksheegowna ridge - Slievenamon in the distance
Forget the wellies
by geohappy 29 Dec 2014
As a warm up for Scavvy 11, did a peak bagging walk taking in Lough Mohra, Knockanaffrin (K) and Knocksheegowna (KS). Parked at Mohra (S28530 17969) beside the walking map sign - the walks recommended are way marked but not to optimize an ascent/descent of the two peaks. I had copied a satellite image from Bing Maps as it is a really good up to date image and used that to pick the best forest road. Walked up to the lough and looked with concern at the cloud, which had been resting at about 650m, now lowered itself halfway down the face of K. Climbed up to the col above the lake and headed south into a rising wind as a squall hit. Worked in the rain-filled gloom up to the top where there is a subtle cairn moulded into the outcrop. The change in direction of the ridge (compass!) confirmed this as the top, as well as a lower crag about 100m away. Descended back northwards into the col, just as the cloud lifted and revealed KS. Looking back, I could now see K clearly - typical. Easy walk up KS on a faint track to top, the trig point and the adjacent spot height, both appear higher from each other. Descended directly down the steep slope to the northeast, more difficult as I was trying wellies again (as a result of the interview with Brian Ringland on this site) but perhaps Dunlop not as good as Nora. Anyway they slipped more than my usual boots so I won't repeat the experiment. Continued down across clearfell as I wasn't in the mood for long loops. Completed in 3 hours, very nice walk, good views in all directions - thanks to Gerrym - Track 2338 - for inspiration. Linkback:
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