Hands up if you’re looking for some free family activities over the summer holidays? We thought so…how about a spot of trig bagging to get the family outside? This year we’ve been celebrating the 80th anniversary of the trig pillar, those concrete pillars that are often found at the top of hills and create a handy photo opportunity.
Once a key part of our surveying network, and since superseded by GNSS, they stand tall and mark the summit of many a walk. With around 6,000 still standing around Britain you stand a fair chance of spotting one when you’re out exploring, and you can spot them on your map as the small blue triangle with a dot in the centre.
In case you missed it, we’ve been celebrating #TrigPillar80 this week, marking 80 years since the lovely trig pillar was first used to help us map out Britain. Although we no longer need the trig pillar to map the country, now using newer technology, the trig pillar remains as a British icon, guiding the way for explorers of the great outdoors.
#GetOutside and bag a trig pillar
The trig pillar can now be seen in many a photo, showcasing the British countryside and marking the high point of a walk. We asked our #GetOutside champions whether they had a favourite trig pillar to bag when out walking, fell-running and cycling and they came up trumps with some real beauties. From the wonderfully named Doughnot Hill in Scotland, to the Isle of Man to Dartmoor, our champions picked their best spot to bag a trig.
While there are many trig-baggers out there, trig-bagger extraordinaire Rob Woodall completed his 13-year mission to bag all of Britain’s trig pillars last weekend in Fife.
He’s bagged 6,190 trig pillars in that period, a seriously impressive achievement. We joined his final trig-bagging expedition to Benarty Hill and awarded him a mounted flush bracket to mark the moment.
This week marks 80 years since the trig pillar was first used in the retriangulation of Great Britain on 18 April 1936. We’ve been celebrating by sharing the story of the humble trig pillar, and giving you the chance to join our celebrations with The Trig Pillar Trail Challenge. But if the trig pillar is now obsolete – just how do we survey Great Britain today?
Life after the trig pillar
Yesterday marked 80 years since the trig pillar was first used in the retriangulation of Great Britain on 18 April 1936. On that day, a group of surveyors gathered around a white concrete pillar in a field in Cold Ashby and began the retriangulation of Great Britain.
We’re celebrating by sharing the story of the humble trig pillar, still much loved by walkers today, and giving you the chance to join our celebrations with The Trig Pillar Trail Challenge. But what is the background to the trig pillar?