©Alexandre Lamoureux
Unravel the secretof the abgrall mystery

The Abgrall Mystery

Discover Tréguier differently thanks to the first heritage treasure hunt! Between riddles, secrets and clues, investigate the footsteps of Erwann Abgrall and find the heirs of his immense fortune…
Share your experience on social networks with #MystereAbgrall!

On the trail of Abgrall

Erwann Abgrall, a wealthy Breton eccentric, has disappeared, leaving behind a vast fortune, albeit of mysterious origin. Maître Braouzec, a notary in Rennes, has been charged with settling the deceased’s estate. However, the matter is going to be difficult: Erwann Abgrall left neither a will nor an heir. Worse, the usual genealogical researches, yet Braouzec’s specialty, gave no result…

Your mission orders

Follow in the footsteps of this curious character to solve the riddles and contribute to the resolution of this life-size investigation: bring your game equipment in order to solve the riddles of the 8 trail games of season 2 of the “Abgrall Mystery” and trace the history of the Abgrall family in Tréguier.

Your first priority: find the names and surnames of relatives, even distant ones, as well as known addresses.

Your second priority: discover all the general details about the family fates.

Is your investigation complete? Don’t forget to send your findings to the Braouzec Law Firm by going to the “Abgrall Case” tab!

Teaser Mystère Abgrall
Teaser Mystère Abgrall
Teaser Mystère Abgrall

“An ideal route to discover all the riches of the local heritage of Tréguier!”

from 12 years old


Participate in the treasure hunt

  • Go to the TRÉGUIER TOURIST OFFICE to borrow your “investigator’s briefcase”
  • Or download and print the investigation kits directly on the Tourism Bretagne website.
  • Get a sheet of paper and a pencil for a better game experience!”
  • Your investigation will last at least 2 hours. It can be extended to the day.

New treasure hunt in Tréguier

More mystery to discover

For young and old

Looking for another treasure hunt and from 8 years old? Find the treasure hunt in the heart of Tréguier, in search of the secret manuscript of Ernest Renan, famous writer born in the Petite Cité de Caractère®. The booklet of the treasure hunt in the heart of Tréguier is available at the Tourist Information Office of Tréguier.

Cultivating experiences