Small creeks, streams and rivers that flow into larger rivers are called tributaries
tributaries
Tributaries
Tributaries are the smaller rivers and where they join is called a confluence
estuaries :)
a tributarie
Tributarys.
The UK is one of the best places to go Chub fishing. They are very abundant in many small rivers and make a great catch. Faster flowing small river tributaries of larger rivers make the best locations.
Those are 'tributaries'
A small river flowing into a larger river.
A rivulette :)
Bayous
As ponds, small lakes and slow flowing rivers, may be shallow generally, a flat bottomed, or a shallow keeled boat is best.