Parts of a river

A source-

the beginning or place of origin of a stream or river.

Mouth\Delta-

a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river

Watershed-

the region or area drained by a river, stream, etc.; drainage area.

Great Basin-

a region that has no drainage to the ocean

A Divide-

separating the larger river

Headwaters-

Sometimes the upper tributaries of a river

Downriver-

with or in the direction of the current of a river

Tributary-

a stream or river witch flows into a main stream

Confluence-

a place where two rivers meet

These are all parts of a river. I have two labeled pictures of a river down there. I also have one video of a moving river.

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