Étang de Trunvel, Artificial pond in Tréogat, France.
The Étang de Trunvel covers approximately 150 hectares in the municipality of Tréogat in Finistère, featuring marshes, meadows, reed beds and interconnected water bodies within a protected coastal zone.
This site was formerly a natural tidal lagoon that transformed into an artificial pond in the 1990s following the closure of its outlet breach to the sea due to coastal sedimentation.
The region maintains sustainable agricultural traditions through extensive livestock farming and grazing practices that historically contributed to preserving the mosaic of wetlands and natural grasslands surrounding the pond.
Marked trails allow bird watching along the GR 34 coastal path, with interpretive panels explaining the protected species and conservation challenges of this sensitive wetland ecosystem.
The pond hosts the Trunvel ringing station that annually captures approximately 10,000 migratory birds, serving as a national reference for the study of wetland passerines and their migration patterns.
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