also: やまかい
noun
Refers to a deep, narrow valley between mountains. Often used in literary or descriptive contexts.
その山峡には美しい渓流が流れている。
A beautiful mountain stream flows through that gorge.
山峡の小さな村に一泊した。
We stayed overnight in a small village in a mountain ravine.
Compound of 山 (mountain) and 峡 (gorge, narrow valley). The reading さんきょう is the on'yomi, while やまかい is a mixed on-kun reading.