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TP2280 - Cnoc Donn
[UK map]
Grid reference :
Type :
Condition :
Good Good condition
Flush Bracket :
OSGB36 Station :
Current use :
Historic use :
T:UK waypoint :
County :
Strathclyde Region
Nearest town :

OSGB36 trig archive spreadsheet - IW
Cnoc DonnNS04/7NS04S007174195.58652964.72201.7772OLD TRIG01/06/1956201/06/1956N0
Cnoc DonnNS04/7NS04S007174195.58652964.72201.7772PILLAR01/06/1956201/06/1956N0

Nearby trigpointsplacenames 

There are 6 photos for this trigpoint (view album).

This trigpoint:
Is ranked joint 189th with 9 other trigs (more).
Has a mean score of 8.00/10 (from 5 logged visits)
Was First logged: 27th May 1984
Was Last logged: 7th Jul 2017

Of the 5 logged visits,
2 recorded a location and of these....

All were within 10m
The average error was 9m
The closest was 8m

Ballochroy South Chy Ballochroy South Chy New House West Chy New House West Chy Ronachan Ronachan coinea coinea Clochandighter Clochandighter Cnoc Donn Cnoc Donn [Zoom In/Out] [Hide Labels]

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Logged Visits:

Good condition 7th Jul 2017  05:22  by Chalky

FB Number: S8543  Condition: Good  Score: 6/10

Spider centre open no cap or plug.

Good condition 21st May 2012  17:19  by coinea

Gridref: NR 74201 52958   FB Number: S8543  Condition: Good  Score: 9/10

Good condition 21st May 2012  17:18  by Clochandighter

Gridref: NR 74204 52959   FB Number: S8543  Condition: Good  Score: 9/10

HISTORY: Pillar completed 26th October 1955 costing 49.11s.1d. Computed as secondary triangulation station NS04/7 within the Isle of Arran block during 1956. Levelled for height also in 1956. Last maintained by the OS in September 1978. SITE VISIT: Approached from northwest. Parked in layby with emergency telephone on NW side of A83 at NR735537. Entered field opposite and climbed steep embankment to join track running parallel with A83. Followed track southwards to NR736529 then east up shoulder of hill to boundary fence just north of woods. Over fence and final 50m climb to summit. Pillar in good condition. Spider centre open. Flush bracket faces SW, 219. Vented throught NE sight hole, SE sight breaking open, debris dropped down centre pipe. Full 360 panorama with long views.

S8543 - Cnoc Donn & GRP
S8543 - Cnoc Donn pillar & FB

Good condition 14th Oct 2006  12:00  by peregrinus

FB Number: S8543  Condition: Good  Score: 8/10

vgc, no cap or plug. Nice outcroppy pasture summit, sun setting over Gigha. Poorly sheep stumbling round in circles by trig.

S8543 fb ©peregrinus
S8543 top ©peregrinus
S8543 trig ©peregrinus
S8543 trig ©peregrinus

Good condition 27th May 1984  00:00  by RogerTempleman

FB Number: S8543  Condition: Good  Score: 8/10

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