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Clogrennan Hill 336m,
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South Midlands Area   Slievemargy Subarea
Place count in area: 31, OSI/LPS Maps: 53, 54, 55, 59, 60, 61, 66, 67, 68, 74 
Highest place:
Slievenamon, 720.2m
Maximum height for area: 720.2 metres,     Maximum prominence for area: 711 metres,

Note: this list of places includes island features such as summits, but not islands as such.
Rating graphic.
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
Place visited by 30 members. Recently by: mountainmike, ei7kh, chalky, jlk, FilHil, eannanilamhna, wwwalker, Fergalh, eamonoc, pompeii, Ben-Ban, peterturner, Onzy, Geansai, kernowclimber
I have visited this place: NO (You need to be a logged-in member to change this.)

Longitude: -7.008851, Latitude: 52.813998 , Easting: 266881, Northing: 174090 Prominence: 271m,  Isolation: 11.9km,   Has trig pillar
ITM: 666815 674129,   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 1077th highest place in Ireland.

Trackback: https://mountainviews.ie/summit/917/?PHPSESSID=lspqjcikjia0rbrlf9vf0p6oa6
COMMENTS for Clogrennan Hill 1 of 1
Cows and Bullocks.
Short Summary created by jackill,  5 Nov 2010
Park at S669 737 A a communications installation entrance gate, room for 2 cars.Cross the road to two grassy fields seperated by a ditch.The trig pillar is in the second field at approximately S668 740 B.
Watch out for cows and bullocks. Trackback: https://mountainviews.ie/summit/917/comment/5676/
 
Clogrennan Hill is a part of the area of upland t .. by wicklore   (Show all for Clogrennan Hill)
 
Mining. .. by simon3   (Show all for Clogrennan Hill)
 
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.)

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Some mapping:
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British summit data courtesy:
Database of British & Irish Hills
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