COMPLET/ Balade naturaliste : découverte des bassins filtrants

Did you know that the site of the filtering basins is a structure designed to filter the water leaving the Grimonpont wastewater treatment plant? And that it constitutes a formidable biodiversity reserve, offering refuge to many animals such as the elegant swan or the amusing green frog. On this walk, you can not only observe them, but also learn about the journey of water!

Practical info :

**Meeting point**: allée des pêcheurs
**Site entrance, allée des Pêcheurs, Leers
**Public**:...