international river. A river that flows through or between two or more countries.
national river. A river wholly contained within a single country. • That country has exclusive territorial rights over the river.
private river. A river to which a riparian owner may claim ownership of the riverbed because the river is unnavigable or navigable only by vessels with shallow drafts. • A navigable private river is not wholly owned by a private person and cannot be closed to public use; people may still make ordinary use of the river for transportation and navigation.