Falls with the Greatest Volume

Boyoma Falls, located on the Congo river in the Democratic Republic of Congo. The waterfall is the world with the greatest volume flow of about 17 million litres per second over a drop of 60 m. The falls consists of seven cataracts, each no more than 15' high, extending over 10 km (60 miles)along a curve of the Lualaba River between the river port towns of Ubundu and Kisangani in the Orientale region of the Democratic Republic of the Congo. At Kisangani, at the bottom of the falls, the Lualaba becomes the Congo Riverflowing generally westward. It has a total drop of 61 meters (200 feet). A rail line goes around the falls, connecting Kisangani and Ubundu.

For more: http://en.wikipedia.org/wiki/Boyoma_Falls