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TP4493 - Llyn Du
[UK map]
Grid reference :
Type :
Condition :
Good Good condition
Flush Bracket :
Passive Station :
OSGB36 Station :
Current use :
Historic use :
T:UK waypoint :
County :
Nearest town :

OSGB36 trig archive spreadsheet - IW
Llyn DuPP148PP148277375.20260576.72548.6401PILLAR01/06/1937201/06/1952N0

Nearby trigpointsplacenames 

There are 17 photos for this trigpoint (view album).

This trigpoint:
Is ranked joint 3588th with 54 other trigs (more).
Has a mean score of 5.93/10 (from 14 logged visits)
Was First logged: 15th Aug 1979
Was Last found intact: 12th Sep 2016
Was Last logged: 17th Jul 2017

Of the 14 logged visits,
4 recorded a location and of these....

All were within 10m
The average error was 7m
The closest was 2m

Glaslyn jonglew arranc rob godrer coed Llyn Du [Zoom In/Out] [Show Labels]

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Selection of photos for this Pillar.

By AsherMarley
Flush Bracket
See 13 more in the album.

Logged Visits:

Not Logged 17th Jul 2017  08:46  by AsherMarley

FB Number: S1580  Condition: Not Logged  Score: 7/10

Good condition 12th Sep 2016  11:30  by arranc

Gridref: SN 77380 60582   FB Number: S1580  Condition: Good  Score: 8/10

for effort!

Good condition 15th Oct 2015  09:54  by jonglew

Gridref: SN 77374 60579   FB Number: S1580  Condition: Good  Score: 6/10

Parking at dilapidated phone box on mountain road at entrance to Nantymaen farm. Excellent forestry access road to pools, then a filthy thrash through felled section of conifer plantation to finally top out and find the hill clear felled to the W giving some outstanding views. Pillar found with a blank original cap; rear sight hole open. English language passive plate has been forcibly removed - the Welsh love the English really!

Pillar TP4493©jonglew
Spider TP4493©jonglew
Flush Bracket TP4493©jonglew

Good condition 3rd Nov 2012  13:28  by rob godrer coed

Gridref: SN 77380 60586   FB Number: S1680  Condition: Good  Score: 7/10

Glaslyn sums this Trig perfectly.

Good condition 28th Aug 2011  00:00  by bogdodger

FB Number: Not logged  Condition: Good  Score: 5/10

Good condition 12th Mar 2011  10:50  by Dusty

FB Number: S1580  Condition: Good  Score: 7/10

Mrs Dusty & trigpoint
Flush Bracket
O S Plaque

Good condition 31st Jul 2010  15:00  by Andy West

FB Number: Not logged  Condition: Good  Score: 5/10

Good condition 30th Sep 2009  12:51  by Glaslyn

Gridref: SN 77370 60570   FB Number: S1580  Condition: Good  Score: 8/10

I adore this area of mid wales and cannot fault it. Todays trio started with a cycle in from the South on well made track. At spot height 511 go west around small llyn up a muddy forest track. Once you reach the high point the area to theNorth has been clear felled - opening up some wonderfull views towards Llyn Du and beyond. Another classic and worthy of a visit. Pillar is in very good condition with some flaky painton the flush.


Good condition 6th Mar 2009  00:00  by caroleengel

FB Number: Not logged  Condition: Good  Score: 5/10

Good condition 29th Mar 2008  13:45  by bluebeard

FB Number: S1580  Condition: Good  Score: 3/10

polaris: if the gate at spot height 392 had been open I could have tried out my rally driving through the forest as far as the pool below the TP .

Good condition 11th Dec 2005  12:00  by peregrinus

FB Number: S1580  Condition: Good  Score: 4/10

vgc, plain unlettered metal cap, in small clearing at summit

S1580 fb ©peregrinus
S1580 cap- unlettered ©peregrinus
S1580 top ©peregrinus
S1580 trig ©peregrinus
S1580 trig ©peregrinus

Good condition 23rd May 2003  12:41  by senrabyar

FB Number: S1580  Condition: Good  Score: 5/10

Good condition 15th May 1999  00:10  by mickandshane

FB Number: S1580  Condition: Good  Score: 7/10

Brass plug with no letering.

Good condition 15th Aug 1979  00:00  by RogerTempleman

FB Number: S1580  Condition: Good  Score: 6/10

nly know it was August 1979, so the 15th is a guess!

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