登り口 のぼりぐち Also written 上り口, のぼりくち, のぼり口, 昇り口 Meanings Noun starting point for an ascent (mountain, stairs, etc.); base (of mountain, etc.) (esp. 上 for stairs, 登 for mountain) Kanji 登 climb. Read as のぼる. 口 mouth. Read as くち. Jinuma: Japanese Dictionary · Word lists