- Alamparai Fort lies near Kadappakkam, a village 50 km from Mamallapuram.
- Alamparai Fort is Constructed in the late 17th century during the Mughal era, the Alamparai Fort once had a 100-metre long dockyard stretching into the sea, from which zari cloth, salt, and ghee were exported.
- During 1735 AD it was ruled by Nawab Doste Ali Khan. In 1750, for the services rendered by the famous French commander Duplex to Subedar Muzarfarzang, the fort was gifted to the French.
- When French were defeated by the British, the fort was captured and destroyed in 1760 AD. More recently the structure was damaged in the 2004 Indian Ocean earthquake.
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| Brick work of Alampara fort ruins |
Tourist Attraction :.
- The fort can be reached on driving down the East Coast Road, about 100 kilometers from Chennai, 5 kilometers from vedal and 50 kilometers from Pondicherry (Puducherry).Alambarai is mentioned in several places in the diaries of Ananda Ranga Pillai, Dubash to Dupleix in French India.
- It was the primary port of trade for the Arcot nawabs. They had a mint there, and later, at the request of Dumas, the governor of Madras Presidency.
- Presently it is a picturesque and serene spot with backwaters and cool sand.
- Local fishermen assist tourists in a pleasurable boating experience around the fort