The place where the river begins is called a source.
The start of a river is called the source or the head.
It is called the source.
The source.
estuary
Source
A river that begins with I is the Illinois River in Illinois USA.
A river's place of origin is where the river begins; this is called the source. The opposite of the river's source is the mouth, or where the river ends. The mouth of the river is where the river meets the ocean.
Its source.
Indus River
The Indus River
a source is a place where a river begins
a source is a place where a river begins
The head source.
Apies
that bob
The Euphrates River in the Middle East
· Indus River (Pakistan, China, India)