a flood!
I doont know man
The bottom of the river is called the river bed.
The river bed.
the bottom of the river is called a bed
bed
Normally there is a pool there, that is known as a plunge pool.
It is called a flat.
A dredge.
river basin is basically the bottom of the river it is also called river bed
The bottom of a river is called the river bed.
Its name refers to the darkness of the river bed that has been lined with thick layers of decomposing vegetation.
dredging?