This is known as a gully.
a valley
valley
Valley
A valley is the lowland area between hills or mountains. Valleys have usually been formed by rivers (or glaciers) running through them.
Usually resistance is encountered by electrons while flowing through a conductor.
A valley is a stretch of lowland located between hills and mountains formed by erosion. It usually contains a river or stream running through it.
a river forms a canyon a Vally is the space between two hills
Fjords
A low land between hills or mountains is called a valley. Valleys are typically formed through erosion by rivers or glaciers over time. They often have fertile soil and are important for agriculture and settlement.
The low area between hills or mountain ranges is known as a valley. Often, cities are established in valleys because they are easy to reach, and are afforded the protection of being at the base of a mountain.
A fjord is a narrow inlet of the sea with steep cliffs created by glaciers, while a canyon is a deep, narrow valley with steep sides formed by erosion. Fjords are typically filled with seawater, while canyons can be dry or have rivers flowing through them.
Valleys can be located in continents that are usually lands between hills or mountains.