valley
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 valley is the low area between hills and mountains where a river flows. Valleys are usually created by the erosion of the land by the river over time. They are an important feature of the landscape and often provide fertile land for agriculture.
A valley
This is known as a gully.
A valley or dale is a depression with predominant extent in one direction. A very deep river valley may be called a canyon or gorge. To answer the question, Yes valleys do lie between mountains and hills.
a valley
valley
Valley
In the upper course in the mountains and hills. the source of the river is rain.
A river often flows through valleys, which are low-lying areas between hills or mountains. The river's path is usually carved out by the flow of water over time, following the natural topography of the land.
river
Transylvania features the Carpathian Mountains, the Transylvanian Plateau, the Apuseni Mountains, and the Olt River. These create a diverse landscape of mountains, hills, and valleys.