Hashima

Roads

• Egira Underpass, Gifu Prefectural Route 46 Gifu Hashima Inter Line – Northwest Side / Southwest Side | Nagama, Kaminakacho, Hashima City | Gifu Prefectural Office Prefectural Land Development Department Road Maintenance Section
• Kaminakacho Underpass, Gifu Prefectural Route 118 Hashima Inazawa Line – North Side / South Side | Ishiki, Kaminakacho, Hashima City | Gifu Prefectural Office Prefectural Land Development Department Road Maintenance Section

Rivers

• Hottsu Town Water Level Observatory, Kuwabara River | Hottsu Town, Hashima City | River Division, Prefectural Land Development Department, Gifu Prefecture

Kiso River

• Disaster prevention station, the right bank of the Kiso River 28.8K | Hashima City disaster prevention station, 701 Ishida, Shimonaka-cho, Hashima City, Gifu 501-6315  | Upstream Kiso River Office
• Shiroyashiki, Right bank of Kiso River 30.2K | Shiroyashiki, Shimonakacho, Hashima City | Kiso River Upper River Office

Nagara River

• Shin-Kuwabara Drainage Pump Station, Left Bank of Nagara River 24.8K | Koyabu, Kuwabara-cho, Hashima City | Kiso Upstream River Office
• Hottsu Simple Water Level Observatory, Left Bank of Nagara River 30.44K | Hottsu Town, Hashima City | Kiso Upstream River Office
• Sakai River purification facility, Nagara River Left bank 37.1K | Sotoawano, Oguma-cho, Hashima City | Kiso upstream river office
• Sakai River Second Drainage Pump Station, Left Bank of Nagara River 38.0K | Nishioguma, Oguma-cho, Hashima City | Kiso Upstream River Office