Zaire River.
one variation of a hobby beginning with z is zen meditation.
River Indus.
Missippi River
That would be the Indus River.
spring
The source
The Illinois.
river
Zymeer Zachariah
Feather River is a river in California. Flinders River is a river in Australia.
Zambia and Zimbabwe both start with the letter 'z'.
it is called the mouth of the river