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Harrier's Trig Bag Challenge

Harrier's Trig Bag Challenge

Over the weekend of 18th-20th August, we challenged YOU to get out hiking and running on your local trails on a trig-bagging mission!

What’s a trig? We’re glad you asked!

Trig points are concrete pillars, usually found at the summit of a hill, and are sometimes painted white. They were used to map the country by the Ordnance Survey between the years of 1936 and 1962 in a great re-triangulation of Great Britain. Back then 6500+ triangulation pillars were built and around 6000 still remain. They are obsolete now as more advanced technologies are used, but to ‘trig-baggers’ across the country love them for photo opportunities, great views and a reminder of our history.

We had trophies for:

  • The most trigs bagged
  • The highest trig bagged
  • Lowest trig bagged
  • Most unusual trig bagged
  • Best trig point pose (photo)


And for all those who joined in, we had downloadable certificates plus some fantastic limited edition Harrier Tube Scarves too!

Get out there: 

Fancy bagging some trigs? Use the links below to learn more about trig points and plan your route.

T:UK - What are trigpoints? (trigpointing.uk)

History of the trig pillar | Blog | Ordnance Survey

Peak District Trig Points - Peak District Walks

What's next?

Our first Trig Bag Challenge was so popular, we're already planning the next one! Stay tuned for more details...


1 comment


  • tina

    Hi, how do you get one of those lovely Harrier Trig buffs that @Trig_runner was showing on Insta? xxxx


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