Source - The beginning of a river, Course - The route a river takes to sea, Confluence - The point where two rivers or steams join together, Tributary - A stream or smaller river that joins a larger stream or river, Mouth - The point where the river comes to an end, joining the sea, Drainage basin - The area of land drained by the river, Watershed - The area of high ground which separates two drainage basins, Estuary - The part of a river mouth that is tidal,

Rivers

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