ravine
https://gyazo.com/c56d44f997f57a94b6eeece7947acbd9
source: By BLM-Photo - http://www.mt.blm.gov/ldo/um/pics/index.htm, Public Domain
noun
a deep, narrow gorge with steep sides.
渓谷, 山峡, 谷間(gorge)
DERIVATIVES
ravined adjective
ORIGIN
late 18th century: from French, ‘violent rush (of water)’ (see ravin).