Madron Fundamental Bench Mark
SW 4496 3211.
Landranger 203: Land's End & Isles of Scilly, St Ives & Lizard Point.
Explorer 102: Land's End.
Neighbouring Flush Brackets
|1571||Landithy 449.44m to the southeast.|
|1572||Polteggan 1.19km to the south.|
|G1991||Heamoor 1.41km to the southeast.|
|1573||Lesingey 1.73km to the south.|
|1570||Lower Trewern 2.07km to the west.|
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 436.0700 feet [132.9141 metres] above mean sea level (Newlyn datum). It was included on the Newlyn Circuit levelling line.
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 436.0700 feet [132.9141 metres] above mean sea level (Newlyn datum). It was included on the Madron to Troon and Newlyn Circuit levelling lines.
Visited on 13th February 2017 by Penwithickpixie. Condition: Good.
Visited on 6th May 2015 by Dugswell2. Grid reference: SW 44960 32110. Condition: Good.
Owner was working in his garden.
Visited on 14th December 2014 by FRI. Condition: Good.
good condition but behind padlocked gates in yard, viewed from field next to yard over hedge, protected by wire cage from general storage area.
Visited on 20th September 2014 by jonglew. Grid reference: SW 44962 32112. Condition: Good.
Located against side wall of 29 Fore St in Madron; land now enclosed and occupied. No-one about to ask for access so hopped over gates to view FBM. Height tag missing. Photos at:
Visited on 16th February 2014 by Calico. Condition: Good.
Visited on 11th September 2013 by pkbathrooms. Grid reference: SW 44960 32110. Condition: Good.
still in the garden with pallets. knocked door as neighbour was lurking but could not get full access.
Visited on 9th September 2012 by Dusty. Condition: Good.
If you have any corrections or additions to this record, please let us know.