| Length | 50.00m |
|---|---|
| Opened | 1997.12.03 |
| Visited | 2003.11.23 |
あおきこよんごう
青木湖四号トンネル
| Length | 50.00m |
|---|---|
| Opened | 1997.12.03 |
| Visited | 2003.11.23 |