Although the Periyar dam reservoir had cut off the traditional migratory paths of elephants way back in 1899, four years after construction of the dam had started the world’s largest land animals had learned how to overcome the watery impediment. Entire herds, calves in tow, now routinely swim across the reservoir, presenting lucky visitors with one of Periyar’s more unforgettable and thrilling spectacles.

Elephant herds swimming across periyar lake