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Source The point where a river begins
Course The route taken by a river as it flows into the sea
Tributary A small river or stream that joins up with a larger one
Confluence The point at which a tributary joins the rivers
Mouth The point where a river enters the sea
Estuary The part of a river mouth that is tidal
River basin the area of land that is drained by a river and its tributaries
Watershed The high ground that separates one river basin form another
Hydraulic action The force of the moving water breaks off material from the banks and beds of the river
Created by: MiaVilkauskaite