

Réserve naturelle régionale du Grand-Voyeux (Pêche strictement INTERDITE)
Congis-sur-Thérouanne
Former gravel pits transformed into swampy wetlands where 254 bird species nest and migrate. Guided tours lead you through observatories for up-close views without disturbing the wildlife.
Birdwatching haven
Free guided tours
Wildlife photography hotspot
Former gravel pit transformation
Tips
🐦the emblematic bird is the Bluethroat
🔭bring binoculars or borrow them on-site
📅book ahead—daily admissions are limited
Réserve naturelle régionale du Grand-Voyeux (Pêche strictement INTERDITE)
Congis-sur-ThérouanneOpens Saturday at 9:00 AM


Former gravel pits transformed into swampy wetlands where 254 bird species nest and migrate. Guided tours lead you through observatories for up-close views without disturbing the wildlife.
Birdwatching haven
Free guided tours
Wildlife photography hotspot
Former gravel pit transformation
Tips
🐦the emblematic bird is the Bluethroat
🔭bring binoculars or borrow them on-site
📅book ahead—daily admissions are limited