Open Swim Harmonie Mutuelle Gerardmer 2026

Swim in Lake Gérardmer, the pearl of the Vosges. The water is typically 20-22°C, suitable for beginners and experienced swimmers. You can swim solo or in a relay team. Friendly locals will cheer your efforts. This Open Swim Harmonie Mutuelle Gerardmer stop is part of an aquatic journey across France.