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The White Gold of the Marshes
← Doussard
Easy

The White Gold of the Marshes

Trez teleports to 1695 in Doussard, at the far end of Lake Annecy. Salt is worth its weight in gold and a young smuggler, Bastien "Le Renard", needs his help to save his cargo from the Baron's soldiers. Help Trez unravel the secrets of the marshes and outwit the traps!

30

minutes

1

kilometres

5

stages

Bastien

Your guide

Bastien

Discover the adventure

A taste of your quest with Bastien.

Trail preview

Discover the first stages of this adventure. The rest will reveal itself on the spot!

How it works

📱

1. Download the app

Install Tresorus for free and download the quest content.

🗺️

2. Head to the spot

GPS guides you to each stage. When you get close, a video plays.

🏆

3. Earn your badge

Solve the riddles and unlock your hero badge at the end of the quest.

Practical info

Duration

30 minutes

Distance

1 km on foot

Difficulty

Easy

Number of stages

5 stages

Recommended age

Ages 5 and up

Price

Free

Last updated: April 9, 2026

Discover Doussard's heritage →

Ready for the adventure?

Download the free app and start "The White Gold of the Marshes" with Bastien today.

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The present before your eyes. The past on your screen. The free app for immersive treasure hunts around Lake Annecy.

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Office de Tourisme des Sources du Lac d'Annecy

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