 Entrance of Shimizu tunnel | |
  | |
| Overview | |
|---|---|
| Line | Jōetsu Line |
| Location | Gunma and Niigata Prefectures, Japan |
| Coordinates | 36°50′45.5″N 138°55′53″E / 36.845972°N 138.93139°E |
| Operation | |
| Opened | 1931 |
| Operator | JR East |
Shimizu Tunnel (清水トンネル, Shimizu-tonneru) is a railroad tunnel in Gunma and Niigata Prefectures of Japan, operated by JR East Jōetsu Line. The name originates from the Shimizu mountain pass nearby. There are three tunnels near each other, which are the Shimizu Tunnel, the Shin-Shimizu Tunnel, and the Dai-Shimizu Tunnel.