AMERICAN PI(E) DAY 2026

Grab a slice of geocaching fun—Pi Day is here!
March 14th (3.14) is Pi Day—an annual nod to the infinite, irrational number π (3.14). The tradition began in the United States and has since gained worldwide recognition.
Off course, here in Australia, we would use the 14.3 format for this date - 14th March 2026 (you know DD/MM/YYYY). Which doesn't come close to the value of Pi, but we will use it anyway to have any excuse to celebrate anything that involves food or Maths. Especially pies, or pi(e)s. So I'm calling it American Pi(e) Day.
Come along to Forby Sutherland Memorial Park for an informal meet'n'greet to celebrate Pi Day.
DATE: Saturday 14/03/2026 (or 3/14/2026) aka 14th March 2026.
VENUE: Forby Sutherland Memorial Park (Eton St Sutherland).
TIME: 3:15 PM - 3:45 PM (as close to 3:14... as I could get).
GETTING THERE: Sutherland Station is nearby. Off-street parking is available.
OPTIONAL: BYO Pi(e)s or Pi. I might bring some along. Or maybe a Pi(e) Chart.
For geocachers, it’s also the perfect excuse to lean into puzzles, patterns, and the thrill of the “aha!” moment.
This year, GCHQ are using the Pi Day celebration to offer with tiered souvenirs. That means you can earn up to 3 souvenirs, depending on how many Mystery Caches you find and log between March 13-15, 2026.
Between March 13-15, 2026, earn 3 Pi Day 2026 souvenirs:
- Find and log 1 Mystery Cache to earn the Coconut Cream Pi souvenir.
- Find and log 3 Mystery Caches to earn the Cherry Pi souvenir.
- Find and log 14 Mystery Caches to earn the Blueberry Pi souvenir.
Whether you’re fitting in one quick puzzle solve or going full 3.14 mode, each Mystery Cache find counts toward your next tier. Pick your pace, follow your curiosity, and see how far your Pi Day adventure can go.
One Mystery Cache or 14, each find brings you one step closer to the next souvenir. Choose your route, enjoy the brain-teasers, and make Pi Day as big (or bite-sized) as you like.
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Did you know, New South Wales has a geocaching association?
Geocaching NSW aims to enhance and improve the activity of geocaching and holds regular events where geocachers meet to enjoy their common interests.
Visit the association website
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