Highlights
- Pichavaram Mangrove Forest — One of the world's largest mangrove forests, explored by rowboat through backwater channels between Chidambaram and the sea, with rich birdlife along the Vellar-Coleroon estuary.
- Parangipettai (Porto Novo) — Historic Coromandel port settled by the Portuguese in the 1590s as "Porto Novo", later Dutch and British, site of India's first iron-and-steel works (1830).
- Samiyarpettai Beach — Quiet golden-sand Bay of Bengal beach midway between Cuddalore and Chidambaram, home to the coastal Pinnai Vazhi Amman shrine.

