五輪峠隧道は新潟県三条市の隧道。県道409号線近くにある。 1953(昭和28)年竣工。 現在は種芋の貯蔵施設「五輪貯蔵庫」として活用されているらしい。
Olympus Pass Tunnel is the tunnel of Sanjo city, Niigata Prefecture. It is near the prefectural highway No. 409 line. Completion in 1953 (Showa 28) year. It seems that it is currently being used as a storage facility of seed potato "Olympus storage."