三宝鉱山は新潟県東蒲原郡阿賀町（旧・上川村）の鉱山。 明治時代には岩名澤鑛山・岩名沢鉱山と呼ばれたらしい。 1938（昭和13）年、中島隆吉・草野喜満太により開発。小坂鉱山に売鉱。 急斜面に坑口跡、飯場跡などが残る。
Sanbu mine is a mine in Aga-machi (formerly Kamikawa village) in Higashi Kanbara-gun, Niigata Prefecture. It seems that during the Meiji era it was called Iwaizawa Rosan and Iwasunawa mine. Developed by Yoshitada Nakajima · Kikumitsu Kusano in 1938 (Showa 13). Money on the Kosaka mine. On the steep slope there are marks of the wellhead, ruins and so on.