The low water land that is formed at the mouth of a river is called a delta.
A ridge of land separating river systems is called a water shed. Normally the land is very high up and mountainous.
Mesopotamia is Greek for "[land] between rivers." Mesopotamia is the land area found in the Tigris-Euphrates river system. It is generally found in Iraq and parts of Syria.
a glacier
The area of fertile soil at the mouth of a river is called river delta.
waterside
The land beside the River Nile is used for growing crops. The river floods every year.
The city is called "Carlonton" ;)
delta
It is called a River Delta.
The land sticks out at the end of the Mississippi river because as it comes to it`s mouth(where the river meets the sea) it drops it`s load(mud,silt, any materials it has picked up)forming some land that lays beside it
stop bank/ levee
It's called the land between the Tigris and EuphratesRiver and that is Mesopotamia
Delta is the name for such a piece of land.
A river basin is an area of land drained by a river and its tributaries.
Ocean-fron property Beach
A River