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Unravel the secretthe abgrall mystery

The Abgrall Mystery: Dive into the heart of a Breton enigma in Tréguier and La Roche-Derrien

Dare to follow in Erwann Abgrall’s footsteps and unravel the secret of his disappearance. Between enigmas, secrets and clues, investigate in Tréguier and La Roche-Derrien in the heart of the Trégor heritage and find the heirs to his immense fortune…
Share your experience on social networks with #MystereAbgrall!

On the trail of Abgrall

Plunge into the heart of Breton history and solve the mystery of Erwann Abgrall! This unique treasure hunt will take you through the narrow streets of Tréguier and La Roche-Derrien, discovering places steeped in history. By following the clues and deciphering the riddles, you’ll unravel the secrets of this Breton-style mystery, and perhaps discover the secret of this fortune.

The enigma unfolds

Erwann Abgrall, a wealthy eccentric from Brittany, disappeared under mysterious circumstances. His immense fortune, of unknown origin, is at the heart of an enigma that fascinates as much as it intrigues. The notary in charge of settling his estate finds himself faced with a conundrum: no will, no declared heir… And the most advanced genealogical research has turned up nothing.
Dare to delve into the heart of this case and discover Erwann Abgrall’s secrets. Alone, as a couple or with friends, take up the challenge and solve the riddles along this unusual trail.

The Strange Mr Erwann Abgrall

Who really was Erwann Abgrall? Wealthy collector, alchemist or simple eccentric? Local legends tell of a hidden treasure and a curse…
The puzzles, combining history, geography and logic, will plunge you into the world of Erwann Abgrall and the Petites Cités de Caractère® du Trégor. Some will be based on real events, others on local legends.

Your mission orders

Your adventure begins in Tréguier. You’ll be given a “Mystère Abgrall” treasure hunt booklet, containing all the information you need to complete your investigation. Follow the clues, decipher the riddles, follow in the footsteps of this curious character, help solve this life-size investigation and retrace the history of the Abgrall family in Tréguier and La Roche-Derrien.

  • Your first priority: find the first and last names of even distant relatives, as well as known addresses.
  • Your second priority: find out all the general details about family destinies…

Riddle solved

Finished your investigation? Don’t forget to pass on your findings to Cabinet Braouzec by going to the “Abgrall case” tab!

An ideal way to discover the rich local heritage of Tréguier and La Roche-Derrien!

New treasure hunt in Tréguier

More mystery to discover

For young & old

Looking for a different kind of treasure hunt? For ages 8 and up? Discover the treasure hunt in the heart of Tréguier, in search of the secret manuscript of Ernest Renan, the famous writer born in the Petite Cité de Caractère®. The booklet of the treasure hunt in the heart of Tréguier is available from the Tourist Information Office in Tréguier.

Cultivating experience