10 interesting facts about Trig Points in the UK
Posted by Spotty Otter on 11th Jun 2025
What Are Trig Points?
In the United Kingdom, trig points are usually concrete pillars, originally erected by Ordnance Survey starting in 1935. Their purpose? To aid in the accurate retriangulation of Great Britain. These iconic structures were placed on prominent hills and mountains and are now part of the landscape for walkers, hikers, and explorers.
10 Fascinating Facts We Love About UK Trig Po
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