noun
valley with a river; gorge; ravine; canyon
Refers to a steep-sided valley carved by a river; often used in geographical and travel contexts.
その渓谷は紅葉の名所として知られている。
The gorge is known as a famous spot for autumn leaves.
深い渓谷を流れる川の音が聞こえる。
You can hear the sound of the river flowing through the deep ravine.