Dudhsagar Falls (literally Sea of Milk ) is a four-tiered waterfall located on the Mandovi River in the border of the Indian states of Karnataka and Goa. It is 60 km from Panaji by road and is located on the Madgaon-Belgaum rail route about 46 km east of Madgaon and 80 km south of Belgaum. Dudhsagar Falls is amongst India's tallest waterfalls with a height of 310 m(1017 feet) and an average width of 30 metres (100 feet).

The falls is located in the Bhagwan Mahaveer Sanctuary and Mollem National Park among the Western Ghats. The waterfall forms the border between Karnataka and Goa states. The area is surrounded by a deciduous forests with a rich bio diversity. The falls are not particularly spectacular during the dry season but during the monsoon season however, the falls are fed by rains and form a huge force of water.