It is 25–30 fathoms (46–55 m) at its deepest center, although the controlling depth is the outer channel in the port approaches with a dredged depth of 17.5 m (57 ft).[3] It serves as the harbour for Mombasa, with a hinterland extending to Uganda. Kilindini Harbour is the main part of the Port of Mombasa, the only international seaport in Kenya and the biggest port in east Africa.[4] It is managed by the Kenya Ports Authority (KPA).