のぼりくだり

上り下り
rising & falling
going up & down

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のぼりくだり【上り下り】

〔山の〕 going up and down 《a mountain》; climbing and descending; the ascent and descent 《of a mountain》; 〔川の〕 going up and down a river; the ascent and descent 《of a river》; 〔道路の〕 the ups and downs 《of a road》; 〔列車〕 up and down trains. [⇒のぼりおり]