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Penhow Fundamental Bench Mark   

Grid reference: ST 4261 9109.
Landranger 171: Cardiff & Newport, Pontypool.
Landranger 172: Bristol & Bath, Thornbury & Chew Magna.
Explorer OL14: Wye Valley & Forest of Dean.
GPS network passive station: H1ST4291.
Waypoint: FM7187.

Neighbouring Flush Brackets
G3980 Groes Wen Inn 1.65km to the west.
G3929 Five Lanes Cottage 2.25km to the east.
S1321 Llanbeder 3.44km to the west.
S1320 Llanbeder Farm 3.59km to the west.
G3928 Caerwent, St Stephens Church 4.28km to the east.
The nearest fundamental bench mark is Flax Bourton, 22.05km to the southeast.

Third Geodetic Levelling, England & Wales (1950-68)
This fundamental bench mark was used during the Third geodetic levelling, England & Wales, and was levelled with a height of 142.6070 feet [43.4666 metres] above mean sea level (Newlyn datum). It was included on the Brampton Abbotts to Penhow, Penhow to Cowbridge and Sharpness to Penhow levelling lines.

Logged Visits
Visited on 14th March 2017 by Dugswell2. Grid reference: ST 42610 91090. Condition: Damaged.
Easy enough to find with Iain Brown. It has a height tag with no height on it.

Visited on 18th October 2016 by Calico. Condition: Damaged.
I too took a while to find it. Park at NE end of car park along minor road. Walk 50 yds up ungated track immediately outside entrance to car park. Over gate just round the corner. FBM is on left in corner under hazel about 20 yds into field.

Visited on 27th January 2016 by Orlandos_Rat. Grid reference: ST 4261 9109. Condition: Damaged.
This took me ages to find a way to the FBM. Got there in the end.

Visited on 13th April 2014 by jonglew. Grid reference: ST 42616 91095. Condition: Damaged.
In sheep pasture. 20m after gate, 2m LHD side track. Extensive damage; blank height tag. Photos at:

Visited on 10th June 2012 by mickandkim. Grid reference: ST 4261 9109. Condition: Damaged.
Behind indian

Visited on 22nd May 2011 by Griefmiester. Condition: Damaged.
Parked in the newly made car park to what looks like a pub come restaurant. It is then a simple case of hopping over the gate and asking permission from the horse to walk past him without him kicking you. Easy find.

Visited on 25th October 2009 by Dusty. Condition: Damaged.
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