沢さわ筋すじ

noun

route beside a mountain stream

Refers to a path or trail that runs alongside a stream in mountainous terrain. Often used in hiking, geography, or nature descriptions.

• 沢さわ筋すじの道みちを登のぼっていくと、小ちいさな滝たきが見みえてきた。

  As we climbed the path beside the mountain stream, a small waterfall came into view.