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The Sunken Port's Treasure
← Doussard
Easy

The Sunken Port's Treasure

Help Gaspard, a 17th-century ghost, find his lost treasure! An adventure through the nature reserve at the far end of the lake.

60

minutes

2.5

kilometres

5

stages

Gaspard

Your guide

Gaspard

Discover the adventure

A taste of your quest with Gaspard.

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

60 minutes

Distance

2.5 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 Sunken Port's Treasure" with Gaspard today.

Download on theApp StoreGet it onGoogle Play
Tresorus

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

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Partner

Office de Tourisme des Sources du Lac d'Annecy

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