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Clogrennan Hill 336m,
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Clogrennan Hill Hill Cnoc Chloch Grianáin A name in Irish
(poss. Ir. ‡Cnoc Chloch Grianáin [PDT], 'hill of Cloch Grianáin or
stone of the sunny spot')
Laois County, in Binnion List, Feldspathic quartzitic sandstone Bedrock

Height: 336m OS 1:50k Mapsheet: 61 Grid Reference: S66881 74090 This summit has been logged as climbed by 30 members. Recently by: mountainmike, ei7kh, chalky, jlk, FilHil, eannanilamhna, wwwalker, Fergalh, eamonoc, pompeii, Ben-Ban, peterturner, Onzy, Geansai, kernowclimber
I have climbed this summit: NO (You need to be a logged-in member to change this.)

Longitude: -7.008851, Latitude: 52.814007 , Easting: 266881, Northing: 174090 Prominence: 271m,   Isolation: 11.9km,   Has trig pillar
ITM: 666815 674130,   GPS IDs, 6 char: ClgrHl, 10 char: ClgrnnHil
Bedrock type: Feldspathic quartzitic sandstone, (Clay Gall Sandstone Formation)

This is the highest point in Slieve Margy. The name Clogrennan Hill does not appear on OS maps but is confirmed by sources such as Richard Griffith's Geological and Mining Report on the Leinster Coal District (1814), which states that the River Dinan has its source near the summit of Clogrennan-Hill. Clogrenan is a townland straddling the Laois/Carlow border and also a district. On the summit plateau is also Rossmore Bog, Rossmore being a townland in the parish of Killeshin, barony of Slievemargy. This hill appears to be the location of Temair Mairge (the Tara of Margy) mentioned in Lebor na hUidre and the Yellow Book of Lecan.   Clogrennan Hill is the 1075th highest summit in Ireland.

Trackback: http://mountainviews.ie/summit/917/
COMMENTS for Clogrennan Hill 1 of 1
Cows and Bullocks. .. by group   (Show all for Clogrennan Hill)
 
Clogrennan Hill is a part of the area of upland t .. by wicklore   (Show all for Clogrennan Hill)
 
MountainViews.ie Picture about mountain Clogrennan Hill in area South Midlands, Ireland
Picture: The Clogrennan Pit
 
Mining.
by simon3  22 Apr 2010
As wicklore mentions there is quite a bit of mining around here. A quick search reveals that there is coal and limestone mining in the area. Within 200m of the trig pillar and to the SW is a largish bank of earth which seems to have been thrown out of a quarry. It may be a bit higher than the trig pillar.

Here is a picture of the quarry. Potentially the view from Clogrennan should be good, but there was a lot of mist the day that we were there. It is interesting to note this is another industrialised top though it's not as affected as Seltannasaggart. Trackback: http://mountainviews.ie/summit/917/comment/4651/
Your Score: Very useful <<  >>Average
 
Delivered to Clogrennan by An Post .. by eamonoc   (Show all for Clogrennan Hill)
 
Watch for cows, and avert your gaze from the mini .. by csd   (Show all for Clogrennan Hill)
 
Short walk .. by shaunkelly   (Show all for Clogrennan Hill)
 
(End of comment section for Clogrennan Hill.)

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