canyon

ˈkanjən

noun

a deep gorge, typically one with a river flowing through it, as found in North America.

the Grand Canyon

ravine,gorge,gully,pass,defile,couloir,chasm,abyss,gulf,gulch,coulee,flume,arroyo,barranca,quebrada,nullah,khud,sloot,kloof,donga,khor