| Length | 1,404.00m |
|---|---|
| Opened | 2018.03.10 |
| Visited | 2021.11.14 |
ななつくぼ
七ツ窪トンネル
| Length | 1,404.00m |
|---|---|
| Opened | 2018.03.10 |
| Visited | 2021.11.14 |