You searched for: “crevasse
crevasse, crevice
crevasse (kri VAHS) (noun)
A large, deep fissure; especially, in a glacier: The exploration team moved carefully over the deep ice which was formed by compacted snow in the arctic and they were trying to be careful not to fall into any existing crevasse.
crevice (KREV is) (noun)
A narrow split or crack: It always amazes Marta that flowers in the desert grow within almost any crevice in rocks.

The determined tree grew from the crevice of the rocks on the side of the mountain; however, further up there was a glacier and nothing could grow in its crevasse.