March marks the return of migratory birds. The new observatory at the Fretin marshes offers a magnificent vantage point for unforgettable encounters.
Come and discover the birds of the marsh with MEL's eco-guards.
**Meeting point**: 9am
**Departure point**: parking impasse Marx Dormoy, Fretin
**Public**: All
**Good to know** : Registration required up to 3 days before the event at [ecogardes@lillemetropole.fr](mailto:ecogardes@lillemetropole.fr)
**Price** : Free of charge
Opening times
On 28 March 2026
- 09:00 at 11:00
