門生(かどう)トンネルと島田(しまた)トンネルは、山陰本線の米子駅~安来駅間で、1982(昭和57)年の電化・複線化の際に新設されたトンネルにより役目を終えた旧隧道。 門生トンネル(地図)は延長150.88m、島田トンネルは延長388.26m。
The Kado Tunnel and the Shimada tunnel are located between the Yoneko and Yasugi stations of the San-in Main Line in the former era of the tunnel which was newly established at the time of electrification and double tracking in 1982 (Showa 57) Tunnel. The gate gate tunnel (map) is extended by 150.88 m and the Shimada tunnel is extended by 388.26 m.