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International Waterways

Straits, Canals, Rivers

Narrow channels of marginal sea or inland waters through which international shipping has a right of passage.

In INTERNATIONAL LAW, international waterways are straits, canals, and rivers that connect two areas of the high seas or enable ocean shipping to reach interior ports on international seas, gulfs, or lakes that otherwise would be land-locked. International waterways also may be rivers that serve as international boundaries or traverse successively two or more states. Ships have a right of passage through international waterways. This right is based on customary international law and treaty arrangements.


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