Does the Nile River Have Locks?

No, the Nile River has no locks. Locks are engineered chambers that raise/lower vessels between different water levels. The Nile flows northward from its East African headwaters to the Mediterranean with a gentle, continuous gradient and no significant natural barriers (waterfalls, rapids requiring locks) along its main stem. Major dams (Aswan High Dam, etc.) have ship locks, but the river itself does not.