Knockseefin 235m hill, Shannon Slieve Felim Ireland at MountainViews.ie
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Knockseefin 235m,
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Knockseefin Hill Limerick County, in Binnion List, Ankaramitic lava flows (alkali basalt) Bedrock

Height: 235m OS 1:50k Mapsheet: 65 Grid Reference: R75482 45033
Place visited by 11 members. Recently by: jgdarcy, FrankMc1964, PeakPaul, sandman, conormcbandon, eamonoc, Fergalh, frankmc04, jackill, chalky, hivisibility
I have visited this place: NO (You need to be a logged-in member to change this.)

Longitude: -8.362227, Latitude: 52.556478 , Easting: 175482, Northing: 145033 Prominence: 113m,  Isolation: 3.3km,   Has trig pillar
ITM: 575437 645079,   GPS IDs, 6 char: Kncksf, 10 char: Knocksefin
Bedrock type: Ankaramitic lava flows (alkali basalt), (Knockseefin Lava Flow Member)

Knockseefin is the 1314th highest place in Ireland. Knockseefin is the second most southerly summit in the Shannon area.

Trackback: https://mountainviews.ie/summit/1240/?PHPSESSID=3hn3l2nb4s9e76qsbude2ndqg6
COMMENTS for Knockseefin 1 of 1
Nicker Hill - OS error? .. by conormcbandon   (Show all for Knockseefin)
 
235m Trig. .. by sandman   (Show all for Knockseefin)
 
Making mountains
by jackill  13 Jan 2015
conormcbandon, well spotted.
This does appear to be an error on the 1:50000 map series.
The height we use on this hill comes from the older 6" maps from the 19th century which gives a trig height of 779 feet. Convert this to meters and you get 237.4392 and then allow for the change of datum from Poolbeg to Malin (difference of 2.7 meters) and you come up with a value of 234.7392 meters.
We round this off to 235 meters.

There are some inconsistancies in the 1:50,000 map series which we know the OSi are endeavouring to address in the more modern reprints. Trackback: https://mountainviews.ie/summit/1240/comment/17802/
Your Score: Very useful <<  >>Average
 
(End of comment section for Knockseefin.)

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