Naturalistic walk: discovery of filter basins

Biodiversité

Did you know that the filter basins are a water filtration structure at the outlet of the Grimonpont wastewater treatment plant? But it is also a formidable biodiversity reserve where a thousand and one species are housed...
Come discover this site with a thousand and one facets.
Appointment : 2:30 pm
Place of departure : fishermen’s alley – site entrance to Leers
Public : all public
Good to know : on reservation at 03 20 63 11 23 or relaiscanal@lillemetropole.fr
Rate : free