Former Okaya Waterworks Collection Ditch
Nearby heritages
- Okaya Saint Barnabas Church (Nippon Sei Ko Kai Chubu Diocese)
- Former Yamaichirin-Gumi Silk Mill Guardhouse
- Former Yamaichi Hayashi-gumi Silk Filature Office
- Former Hayashi Family Residence
- Deep Bowl Shaped Pottery with a Facial Handle / Excavated
- Former Okaya City Hall Building
- Chuo Printing Company Building (former Katakura-Gumi Office)
- Katakura Family Residence Main House
- Katakura Family Residence Document Storehouse
- Katakura Family Residence West Storehouse