| Length | 678.00m |
|---|---|
| Opened | 2021.08.29 |
| Visited | 2023.12.30 |
かみやぎさわ
上八木沢トンネル
| Length | 678.00m |
|---|---|
| Opened | 2021.08.29 |
| Visited | 2023.12.30 |