Fundamental Bench Mark - Boscastle, Cornwall
Posted by: SMacB
N 50° 42.447 W 004° 37.756
30U E 384960 N 5618559
FBM on B3263 road to Boscastle, Nr. the hamlet of Tresparrett Posts. The height plate is missing.
Waymark Code: WMKG56
Location: South West England, United Kingdom
Date Posted: 04/10/2014
Views: 2
FBM on B3263 road to Boscastle, Nr. the hamlet of Tresparrett Posts.
Grid reference : SX 14450 93050
TP7153 Boscastle
Type : FBM
Condition : Good
Current use : Passive station
Station Number : H1SX1493
Historic use : Fundamental Benchmark
Waypoint : TP7153
County : Cornwall
Nearest town : HALLWORTHY
SOURCE - (
visit link)
"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 800.0340 feet [243.8504 metres] above mean sea level (Newlyn datum). It was included on the Boscastle to Grampound and Torrington to Boscastle 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 800.0340 feet [243.8504 metres] above mean sea level (Newlyn datum). It was included on the Boscastle to Liskeard, Boscastle to Torrington and Troon to Boscastle levelling lines."
SOURCE - (
visit link)