Mukkadal dam is built across the Vambaru River in the state of Tamil Nadu in southern India, 10 km (6.2 mi) from town of Nagercoil.

It is a scenic place, favored as a picnic location among local residents.

It was built by Sree Chithira Thirunal Balarama Varma in 1945, the King of Travancore.

The dam is constructed of clay and granite stones.

The depth of water behind the dam is approximately 100 ft (30 m).

The reservoir supplies water for the town of Nagercoil.

The mountain range is near the end point of Western Ghats.

The dam and reservoir are surrounded by hills on three sides. The dam and reservoir are surrounded by hills on three sides.

The people in the nearby villages mainly depend on this beginning point of the Western Ghats for their livelihood.