Try "canyon".
Canyon
the river running through rock wear it down into deep valley with the steep sides what is it called
A deep narrow valley with steep sides that sometimes has a stream or river flowing through it is called a gorge. Gorges are typically formed by the erosive action of flowing water over a long period of time, creating a dramatic and picturesque landscape.
Jet streams are fast flowing, narrow air currents found in the atmospheres of some planets, including Earth.
stream discharge is the amount of water flowing through a space OR increases between its source or mouth
A Gorge
A Gorge
A river, or stream.
A channel through which water is continually flowing downhill is a stream. A large channel in soil that carries runoff after a rainstorm is a gully.
A stream or river flowing through hard rock through which it has not (or cannot) cut a straight channel.
Like an Ever Flowing Stream was created in 1991-05.
Stream.