Welcome!
Just before Christmas every year, a small box is buried somewhere in England.
Elaborate and often cryptic puzzles and clues that reveal the hiding place are then posted on this website. Who will be first to find the treasure? Assemble your team and get hunting!
First time hunter? Read all about it.
Just before Christmas every year, a small box is buried somewhere in England.
Elaborate and often cryptic puzzles and clues that reveal the hiding place are then posted on this website. Who will be first to find the treasure? Assemble your team and get hunting!
First time hunter? Read all about it.
Latest News
31st May 2026
- ATH 2025 has been archived.
- ATH 2026 is being set by Buridan’s ATH. Expect further information towards the end of the year.
- ATH 2027 will be set by Mark Abbott from the Apopheniacs Anonymous team.
- ATH 2028 will be set by ??? from the ??? team.
- We are always looking for volunteers to set future hunts, apply here to join the Waiting List.
- A News tab has been added to the Archive. Click on the year of a past hunt to see the news and errata from that hunt (where available).
- The status of Virtual Finds in a hunt has been clarified.
