The Pool is the beginning of the navigable Congo; just below it the river descends hundreds of meters in a series of rapids known as the Livingstone Falls. A rapid is a section of a river where it loses elevation over a relatively short distance (that is, the stream gradient is locally steepened), causing an increase in water flow and (usually) turbulence. ... Livingstone Falls, named for David Livingstone, is a rapids of the lower Congo River in west equatorial Africa below Malebo Pool. ...
As the Congo narrows again, the capitals of DRC and Republic of the Congo face each other from opposite banks of the river—Kinshasa, DRC, on the south bank and Brazzaville, Republic of the Congo, on the north.
The Lower Congo, from PoolMalebo to the Atlantic Ocean, is 435 km (270 mi) long.
He established 22 settlements on the Congo and its tributaries, put four steamers into operation on the upper river, and built a road around the Lower Congo rapids between Matadi and PoolMalebo.