峡谷[kyoukoku] glen
溪谷[keikoku] valley
千仭の谷[senjinnotani] bottomless ravine
谷あい[taniai] valley
谷川[tanigawa] mountain stream

谷底[tanisoko] bottom of valley or ravine
幽谷[yuukoku] deep ravine
蟀谷[komekami] temple (of the forehead)
谷まる[kiwamaru] to terminate