Many streams begin as either a ground spring that has come to the surface or snow melt from higher elevations. Streams join and empty into rivers which as they join and gather rain, grow and eventually flow to the oceans. In the oceans they evaporate and turn into clouds which as they pass over land rain down which forms streams and rivers which, well you get the idea.
source
source
The source or beginning of a river is called the 'headwater'. The beginning of a river is known as the source.
To find where the beginning of a river is.
River Indus.
the source of the river
That would be the Indus River.
Missippi River
Grumeti River
Xingu River
Feather River is a river in California. Flinders River is a river in Australia.
Colorado River, columbine riverIllinois River
spring