One of the major benefits of trekking is that it improves your physical health immensely. Spending multiple hours on the trail, climbing around boulders, rock hopping and ascending hills gives your whole body a workout, improving your strength, agility and cardio fitness.
Tamil Nadu is divided naturally between the flat country along the eastern coast and the hilly regions in the north and west. The broadest part of the eastern plains is the fertile Kaveri (Cauvery) River delta; farther south are the arid flatlands surrounding the cities of Ramanathapuram and Madurai.