River Indus.
Missippi River
That would be the Indus River.
spring
river
The source
Feather River is a river in California. Flinders River is a river in Australia.
it is called the mouth of the river
River Clyde in Scotland
Xi River is the name of a river in China. Xingu River is the name of a river in Brazil.
There's the Nile River and the Niger River.
known as the Source