Overview
Chilaw Lagoon is the coastal lagoon at the mouth of the Deduru Oya river near Chilaw town, forming an important estuarine habitat where freshwater from the river meets the salt water of the Indian Ocean. The lagoon is the primary base for Chilaw’s fishing fleet — dozens of wooden fishing boats moored in the sheltered waters create a scene of traditional maritime activity that has changed little in decades. The lagoon margins support excellent waterbird populations, and the mangrove and reed bed edges are particularly rich in herons, kingfishers, and waders. A small boat can be hired for an informal lagoon trip, and the view from the bridge over the lagoon entrance takes in the full scene of boats, birds, and the open ocean horizon beyond.
Highlights
- Estuarine lagoon combining freshwater Deduru Oya with Indian Ocean
- Primary base of Chilaw’s traditional fishing fleet
- Dozens of wooden fishing boats — a beautiful scene of maritime tradition
- Excellent waterbird birdwatching at the mangrove margins
- Informal boat hire for lagoon exploration
- The bridge view takes in boats, birds, and ocean simultaneously
- Working community harbour with authentic fishing culture
- Easy combination with Chilaw Beach and Munneswaram Temple
Best Time to Visit
Early mornings for fishing fleet activity. October–March for migratory birds.
Activities
- Boat trip on the lagoon
- Fishing fleet photography
- Birdwatching at the mangrove margins
- Bridge viewpoint photography
Suitable For
Photographers, culture travellers, birdwatchers
Nearby Attractions
- Chilaw Beach (5 min walk)
- Munneswaram Temple (10 min drive)
- Anawilundawa (25 min drive)
- Marawila Beach (20 min south)
- Puttalam Lagoon (30 min north)
Travel Tips
- Early morning (6–8am) for the most active fishing boat scenes
- A local fisherman can be hired for an informal lagoon boat trip
- The bridge over the lagoon mouth is the best single viewpoint
- Combine with Chilaw Beach for a full Chilaw coastal morning
- Binoculars enhance the birdwatching at the mangrove margins
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