| Length | 1,045.00m |
|---|---|
| Opened | 2002.11.30 |
| Visited | 2003.10.03 |
ななおりとうげ
七折峠トンネル
| Length | 1,045.00m |
|---|---|
| Opened | 2002.11.30 |
| Visited | 2003.10.03 |