Puttalam Lagoon

The Puttalam Lagoon is a large 327 km (126 mi) lagoon in the Puttalam District, western Sri Lanka.

The lagoon is fed by two rivers, namely the Kala Oya and Mi Oya, discharging at 2.2 m/s (77.7 cu ft/s) and 8.1 m/s (286.0 cu ft/s) respectively. It is linked to Mundal Lagoon 15 km (9.3 mi) to the south by a channel. The lagoon's water is brackish to saline.

The lagoon is surrounded by a region containing coconuts, open forests, grasslands and shrublands. The land is used for prawnfishing, salt production, and rice cultivation. The lagoon has extensive mangroves, seagrasses and some salt marshes, attracting a wide variety of anatidae.