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Tolcarne Fundamental Bench Mark   


Location
Grid reference: SW 4614 2918.
Landranger 203: Land's End & Isles of Scilly, St Ives & Lizard Point.
Explorer 102: Land's End.
GPS network passive station: H1SW4629.
Waypoint: FM7224.

Neighbouring Flush Brackets
1574 Newlyn, Trinity Methodist Chapel 352.28m to the south.
1816 Penzance, New Road 501.20m to the northeast.
1575 Newlyn, School 786.38m to the south.
1520 Newlyn, South Pier, Tide Gauge Aux 2 891.85m to the southeast.
1565 Newlyn, South Pier, Tide Gauge Aux 1 892.75m to the southeast.
The nearest fundamental bench mark is Paul, 2.15km to the south.

Second Geodetic Levelling, England & Wales (1912-21)
This fundamental bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 94.6290 feet [28.8429 metres] above mean sea level (Newlyn datum). It was included on the Newlyn (Tolcarne) to Observatory, Newlyn Circuit and Troon to Newlyn (Tolcarne) levelling lines.

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 94.6290 feet [28.8429 metres] above mean sea level (Newlyn datum). It was included on the Newlyn Circuit levelling line.

Logged Visits
Visited on 8th May 2015 by Dugswell2. Grid reference: SW 46140 29180. Condition: Good.
Outside 'Rockside' on Creeping Lane by the garage.

Visited on 15th December 2014 by FRI. Condition: Good.
Drove up to FBM this time, pleased to find in still in good condition but road access tight and steep!

Visited on 20th September 2014 by jonglew. Grid reference: SW 46138 29187. Condition: Good.
Against garage wall of 'Rockside' house. Height tag missing. Photos at:
http://www.jonglew.com/Walking/Benchmarks/2014/20140920-TolcarnePenzanceCornwallFBM2.jpg
http://www.jonglew.com/Walking/Benchmarks/2014/20140920-TolcarnePenzanceCornwallFBM3.jpg

Visited on 22nd February 2014 by bikeboyz. Grid reference: SW 46143 29183. Condition: Good.
Heavy scoring on the top of the bolt. http://www.geograph.org.uk/photo/3861137

Visited on 16th December 2013 by FRI. Condition: Good.
FBM in good condition but the bolt has been a bit dented on the top but otherwise good. Took a photo to include the tidal station in the background.
Having visited my local FBM at Hemel Hempstead, which is protected by an iron fence, I was surprised to see the bolt and concrete block quite exposed! but it is in a very narrow road which is now built up so not ideal for good sight lines when levelling! OK for GPS.

Visited on 21st September 2008 by Dusty. Condition: Good.

Visited on 27th November 2006 by Calico. Condition: Good.

Visited on 23rd June 2006 by jameswameek. Grid reference: SW 46141 29187. Condition: Good.
Relatively easy climb. You should walk it from Tolcarne bolt which is literally at the bottom of the hill and accross the road. OK condition, but views restricted by houses and trees.
If you have any corrections or additions to this record, please let us know.
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