 Entrance to the East River Mountain Tunnel, Virginia side | |
| Overview | |
|---|---|
| Location | Bland County, Virginia Mercer County, West Virginia |
| Coordinates | 37°16′30″N 81°07′26″W / 37.27500°N 81.12389°W |
| Route |   I-77 / US 52 |
| Operation | |
| Opened | December 20, 1974 |
| Technical | |
| Length | 5,412 ft (1,649.58 m) |
| No. of lanes | 4 |
The East River Mountain Tunnel is a 5,412-foot (1,650 m) vehicular tunnel that carries Interstate 77 (I-77) and U.S. Route 52 (US 52) through East River Mountain between Bluefield, West Virginia, and Rocky Gap, Virginia.