Kaliveli Lake

Infobox lake
lake_name = Kaliveli Lake
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location = Viluppuram District, Tamil Nadu
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Kaliveli Lake is a coastal lake in the Viluppuram District of Tamil Nadu, India. This lake lies approximately 16 kilometers north of Pondicherry and 10 kilometers north of Auroville, near the Bay of Bengal.

Kaliveli lake is a seasonal wetland, with a gradient from freshwater to brackish water, and is an important feeding and breeding ground on migratory bird flyway. The lake is one of the largest wetlands in peninsular India, and is considered a wetland of both national and international importance by the IUCN. It is currently threatened by encroachment from agricultural fields, wildlife poaching, loss of the surrounding forests, and increased commercial prawn farming.

The ruins of Allamparwa Fort lies on the coast near the north channel to Kaliveli Lake, about 35 kilometers north-northeast of Pondicherry.