noun, noun or participle which takes 'suru', intransitive verb
mountain crossing; crossing over a mountain
Refers to the act of going over a mountain, often on foot or by a route that traverses a mountain pass.
昔の旅人は山越えの道を歩いた。
Travelers in the old days walked mountain-crossing paths.
このルートは山越えになるので、時
This route involves crossing a mountain, so it takes time.