旧土場隧道は、三重県熊野市の国道169号線土場隧道そばにある廃隧道。奈良県下北山村との県境近く。 崩落が激しく埋もれかけている。
Old Land Tunnel is a waste tunnel located near the Tsunoda branch of National Highway No. 169 in Kumano City, Mie Prefecture. Near the prefecture border with Shimokitayama village in Nara prefecture. The collapse is bursting and buried.