Clutha River ,Otago, New Zealand
The Clutha River (Mata au) headwaters, the Shotover and the Arrow. To a lesser extent, the Nevis and the Rees.
It is where it starts.
River
State Highway One (SH1) is the major route from north of North island to south of South Island in New Zealand.
The main parts of a river system include the source (where the river begins), the course (the path the river takes), the mouth (where the river empties into a larger body of water), tributaries (smaller rivers or streams that flow into the main river), and the watershed (the area of land that drains into the river).
calorado river
The melting waters are the main source of the Nubra River, which drains into the Shyok River.
main source for food and water
Mesopotamia.
I believe the water source for Egypt and Sudan is the Nile River.
The Andes mountain streams
No it is Mississippi