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TP5415 - Pen-Y-Graig
[UK map]
Grid reference :
Type :
Condition :
Good Good condition
Flush Bracket :
OSGB36 Station :
Current use :
Historic use :
T:UK waypoint :
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OSGB36 trig archive spreadsheet - IW

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There are 28 photos for this trigpoint (view album).

This trigpoint:
Is ranked joint 9995th with 99 other trigs (more).
Has a mean score of 5.18/10 (from 28 logged visits)
Was First logged: 28th Apr 2004
Was Last logged: 9th Oct 2021

Of the 28 logged visits,
10 recorded a location and of these....

All were within 55m
The average error was 19m
1 was exact

Goetre Goetre slateloose slateloose Lathama Lathama rams rams Glaslyn Glaslyn Mickandkim Mickandkim jonglew jonglew CURRYSCRIM CURRYSCRIM Meirion Meirion caroleengel caroleengel coinea coinea Pen-Y-Graig Pen-Y-Graig [Zoom In/Out] [Hide Labels]

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Logged Visits:

Good condition 9th Oct 2021  00:00  by Trigpointerrier

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

Permission sought, asked neighbour and then think the actual owner waved at us on our way back. I wish I'd have asked him on one of our previous visits as I'm sure we've chatted to him before, I was just to shy to mention trigpoints!

Good condition 1st Jun 2019  19:20  by Earby Rambler

FB Number: Not logged  Condition: Good  Score: 6/10

Visited with P61 asked at house for permission to visit, off to The Black Bull Inn Wetherspoons in Bangor now for a couple of pints of Black Dragon Cider.


Good condition 20th Apr 2019  16:07  by painterman61

FB Number: S7303  Condition: Good  Score: 7/10

Asked permission path to trig original plug nice area

trig ©painterman61
top ©painterman61
fb ©painterman61

Good condition 6th Jun 2018  12:52  by coinea

Gridref: SH 54646 67240   FB Number: S7303  Condition: Good  Score: 6/10

I parked in Seion though road very narrow. Pen-Y-Graig house is being renovated, I asked owner who was working on house for permission to visit trig. In fact it belongs to his neighbour (with the wooden cabin), but he said neighbour would not mind.

S7303 Pen-Y-Graig

Good condition 28th Mar 2018  14:08  by slateloose

Gridref: SH 54600 67200   FB Number: S7303  Condition: Good  Score: 8/10

Drove down lane to property and meet the new owner who was busy building a wooden cabin on the small hill near trig point. He was very friendly and took me up to the trig. The woodland on the hill has been cleared of brambles and dead trees creating an open space near the top plus opening up the views.

Good condition 10th Oct 2016  16:31  by CURRYSCRIM

Gridref: SH 54642 67240   FB Number: S7303  Condition: Good  Score: 3/10

Parked by entrance to a track and followed this to Pen-Y-Graig house which appears to up for sale at time of visit. Knocked on the door but no one around. Continued through the garden, and up into woods. Vey limited views.


Good condition 10th Oct 2016  00:00  by rams

Gridref: SH 54600 67200   FB Number: S7303  Condition: Good  Score: 3/10

parked on road by track to pen-y-grig house no one in so walked through garden trig set in wood very limited views


Good condition 6th Aug 2016  10:59  by Trigger

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


Good condition 23rd Jun 2016  12:35  by Dusty

FB Number: S7303  Condition: Good  Score: 5/10

Flush Bracket

Not Logged 22nd May 2016  17:57  by Robert Kemp

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

Good condition 5th Oct 2015  11:58  by VinceTP

FB Number: S7303  Condition: Good  Score: 5/10

Good condition 19th Apr 2015  16:55  by jonglew

Gridref: SH 54642 67238   FB Number: S7303  Condition: Good  Score: 5/10

Roadside parking in Seion; RoW NW then struck across gorsey fields, over b/w stock fence and onto small wooded mound in what seemed to be the extended back garden of a private house 'Pen-y-graig' - trees provided reasonable cover. Pillar found in good condition on large square plinth; original cap in place, deeply indented lettering; RHD side sight hole open. Good views SE to peaks of Snowdonia nat. park.

Pillar TP5415©jonglew
Spider TP5415©jonglew
Flush Bracket TP5415©jonglew

Good condition 15th Apr 2014  00:00  by caroleengel

Gridref: SH 54648 67237   FB Number: Not logged  Condition: Good  Score: 5/10

Same route as TerryL and conditions much the same.

Good condition 15th Feb 2014  13:41  by plet56

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

Good condition 25th Nov 2011  13:52  by trigging on an island

FB Number: S7303  Condition: Good  Score: 5/10

Visited on a walk from Bethesda to Y Felinheli which also included Douglas Hill trig pillar. Found it okay, without too much fuss from the Seion lane.

Good condition 22nd Jan 2011  13:30  by Mickandkim

Gridref: SH 54642 67237   FB Number: S7303  Condition: Good  Score: 5/10

Took route over gate at end of lane,over second gate up banking on left to end of woods where there is an old bench,then access over low fence after fox fences through brambles to trig

Good condition 30th Mar 2010  11:35  by Meirion

FB Number: S7303  Condition: Good  Score: 4/10

A return visit to this pillar, not as easy to reach as on my previous visit in 2007, due to thick mud after recent rains.

Good condition 19th Jul 2009  13:10  by Glaslyn

Gridref: SH 54640 67230   FB Number: S7303  Condition: Good  Score: 5/10

Acess from FP. No views. In small area of woodland next to house.Pillar good condition.


Good condition 18th Feb 2009  09:20  by Terry L

FB Number: S7303  Condition: Good  Score: 5/10

Metal plug [indented letters]. Private - presumably Pen-y-graig, last & largest house in little hamlet of Seion. The wood, Coed Pen-y-graig, is unfenced & easily accessible from the approach track to the house. Then just strike up to the highest point [not far]. Woodland fairly sparse, & although passage requires care, trees & brambles offer no resistance.

Pen-Y-Graig pillar

Good condition 2nd Jan 2009  14:00  by splash

FB Number: S7303  Condition: Good  Score: 6/10

An interesting find. Parked on the road near Seion. Walked down the track where a group of houses are just off. Into someones garden at the end of the track, followed the garden path to its end then tramped through brambles to the trig. No one was home to ask for permission

Good condition 14th Sep 2007  15:36  by sky high boys

FB Number: S7303  Condition: Good  Score: 2/10

Urgh, worst of the day. Angelsey was much nicer!

Slightly damaged 28th May 2007  16:50  by Smigers321

FB Number: S7303  Condition: Slightly damaged  Score: 8/10

How much can undergrowth hurt, if you want my advice wait until winter as it will be easier to reach and if you do go in summer dont wear shorts haha. Great fun though and the farmer was friendly enough to point me in the right direction

Plant central ©Smigers321

Good condition 28th Feb 2007  11:44  by Meirion

Gridref: SH 54646 67239   FB Number: S7303  Condition: Good  Score: 6/10

Long walk up from the Faenol past the Greenwood centre. Thanks to previous visitors finding the trig was quite easy. The pillar is in vgc except for the flush bracket. This is my first pillar with a intact metal plug which I am well pleased with. Nice views towards the mountains and the trig on Moel y Ci.

The trig pillar ©Meirion
S7303 ©Meirion

Good condition 28th Aug 2006  11:15  by mickandshane

FB Number: S7303  Condition: Good  Score: 5/10

Walk up the track from the east at the side of the terraced house as if you are going to the house where the trig is. As you turn the corner there is a gate which gives access to the wood. Battle up through the wood (not too bad) and the trig is at the highest spot. Plug with heavily indented lettering.

Good condition 18th Jul 2005  18:32  by rhayader_wanderer

FB Number: S7303  Condition: Good  Score: 7/10

First I tried to use the footpath and found overgrown as an understatement. Then I went through the field of knee high grass before fighting my way through the woodland undergrowth. And on paper it looked ever so easy :-)

Good condition 19th Jun 2005  19:00  by peregrinus

FB Number: S7303  Condition: Good  Score: 6/10

Yes the house is occupied!! Had I realised I'd have asked first. Luckily the growling dog was disbelieved.... Last digit certainly looks like a 3, albeit obscured - by mortar it seems

Montaged by Jon Rouse ©peregrinus

Good condition 11th Apr 2005  12:00  by iainmac

FB Number: S7303  Condition: Good  Score: 3/10

In grounds of nearby house which may be unoccupied.


Good condition 28th Apr 2004  20:15  by Lathama

Gridref: SH 54600 67200   FB Number: S7303  Condition: Good  Score: 5/10

In a wood on a small hill, accessed by a track through dense undergrowth. You have really got to look hard for this one! It's all intact including the plug which looks as if it has been recently re-riveted. There is quite a lot of paint on the north face but little on the others, especially the south. The only problem is that the flush bracket is very badly corroded and the last digit [which I am convinced was a 3] could possibly be an 8 and I would value a second opinion. Good views eastwards but all other directions blocked by woods.

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