Et si votre prochaine aventure en pleine nature avait aussi un impact positif ? On August 29, explore the resort, find the checkpoints, and test your knowledge of nature. €1 from each registration will be donated to an environmental organization.
€1 per registration
donated to an environmental organization
Prizes to be won
for the top 3
A natural setting
A unique experience on the shores of the largest lake north of Paris
The Program
Additional Information
💶 Price: €10 per person, of which €1 will be donated to an environmental organization.
🎟️ Reservations: Online only at
📍 Check-in & departure: Conference Center (must arrive 1 hour before departure)
👟 Equipment: Appropriate athletic attire required; water bottle recommended



