The starting point or origin of a river is known as the 'source' or sometimes the 'headwater'.
It is the point where the river starts.
The source
The source or beginning of a river is called the 'headwater'. The beginning of a river is known as the source.
The starting point of a river is called a source. A smaller river that flows into a larger river is a tributary.
The point where the river starts off is called the
Answer!-Usually the start of a river is called its source and the end of the river is called the mouth.
Its source.
The usual terms are "source" and/or "headwaters."
The start of a river is called the headwaters or source; the end of a river is called the mouth.When a river flows into another river, the 'mouth' of the river is called the confluence.
The highest point is its source in Zambia.
The mouth of the river is NOT called the start. The mouth is the end of a river. The headwaters refers to the starting point(s). The starting point is called the source.