A ridge or mountain ridge is a geological feature consisting of a chain of mountains or hills that form a continuous elevated crest for some distance. Ridges are usually termed hills or mountains as well, depending on size.
https://en.wikipedia.org/wiki/Ridge
Sky Cloud Atmosphere Geological phenomenon Mountain Phenomenon Ridge Morning Hill Highland
"I wanted very much to learn to draw, for a reason that I kept to myself: I wanted to convey an emotion I have about the beauty of the world."
the blue field of his dream
Sky Cloud Atmosphere Geological phenomenon Mountain Phenomenon Ridge Morning Hill Highland