Please park with care on this small rural road.

This triangulation pillar is more or less roadside, it sits just over the fence south of the road between Netherton and Alwinton. To the north are the Cheviot Hills.
Just to the north the scar of Harden Quarry is visible. This quarry extracts stone from Biddlestone laccolith (a laccolith is a type of igneous intrusion) and the rock here is a brick-red microgranite. The quarry supplies the red-pink stone for the surface of The Mall in London, and once supplied roadstone for most of Northumberland (you may be old enough to recall Northumberland’s roads being pink, not black!).
Burradon Mains trig pillar was built in 1954 at a cost of £22.14s.0d. It is a tertiary triangulation station.
About Ye Ole Survey Monuments
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Ye Ole Survey Monument (YOSM) is a captivating series of caches that pays homage to the remarkable legacy of OutForTheHunt's YSM series (GC45CC).
YOSM caches are strategically positioned at or near Trig Points. These triangulation stations have played a pivotal role as surveying landmarks, contributing to the mapping of expansive territories.
Some of these points, bearing historical significance, might now be situated on private land or have vanished with time. As a result, the caches are artfully placed in close proximity, reverently acknowledging the historical importance of these survey monuments.
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More information, bookmarks and statistics can be found at the YOSM Website
If anybody would like to expand the Ye Ole Survey Monuments Series, please do.
I would ask that you request a number for your cache first at www.yosm.org.uk
so we can keep track of the numbers and names to avoid duplication.