parts of a river

Watershed-The region draining into a river.

Source- were a river starts

Mouth -the part of a river that flows into the sea or ocean

Great Basin -a watershed that does not flow to the ocean.

Divide - separating rivers

Headwaters-extreme upper reaches of a stream.

Downriver-between headwaters and floodplain.

Tribuitary-a stream of river which flows into a main stream.

Comment Stream