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Arrochar Fundamental Bench Mark   


Location
Grid reference: NN 3060 0426.
Landranger 56: Loch Lomond & Inveraray.
Explorer 364: Loch Lomond North.
GPS network passive station: H1NN3004.
Waypoint: FM7142.

Neighbouring Flush Brackets
G4010 Arrochar, Bellevue 790.06m to the west.
G1560 Arrochar 1.28km to the southwest.
G1559 Tarbet Hotel 1.34km to the east.
G4260 by Succoth 1.41km to the west.
G1561 Ardmay 2.37km to the southwest.
The nearest fundamental bench mark is Crianlarich, 24.02km to the northeast.

Second Geodetic Levelling, Scotland (1936-52)
This fundamental bench mark was used during the Second geodetic levelling, Scotland, and was levelled with a height of 150.8160 feet [45.9687 metres] above mean sea level (Newlyn datum). It was included on the Arrochar to Bowling and Bridge of Orchy to Arrochar levelling lines.

Third Geodetic Levelling, Scotland (1956-68)
This fundamental bench mark was used during the Third geodetic levelling, Scotland, and was levelled with a height of 150.8160 feet [45.9687 metres] above mean sea level (Newlyn datum). It was included on the Arrochar to Lochgilphead, Bowling to Arrochar and Crianlarich to Arrochar levelling lines.

Logged Visits
Visited on 13th June 2017 by Dugswell2. Grid reference: NN 3060 0426. Condition: Good.
First of three today as I drive from Lanark to Mallaig.

Visited on 6th October 2013 by RandomPrecision. Condition: Good.

Visited on 4th May 2013 by jonglew. Grid reference: NN 30601 04264. Condition: Good.
Located a couple of metres from roadside, another one covered with moss but in good condition. OSBM bolt with arrow set into the top.

Visited on 28th October 2011 by mickandkim. Grid reference: NN 306 042. Condition: Good.
In good order

Visited on 3rd August 2011 by clochandighter. Condition: Good.
North side of road just inside entrance to old quarry?

Visited on 6th October 2008 by DaveS. Condition: Good.
Set back just off the main road.

Visited on 11th November 2006 by agentmancuso. Condition: Good.
Easy to find- I spotted it driving by on the other side of the road. Resin cap with OSBM & (northwards pointing?) arrow.

Visited on 25th April 2005 by Calico. Condition: Good.
If you have any corrections or additions to this record, please let us know.
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