| Port Townsend Ship Canal | |
|---|---|
 Port Townsend Ship Canal | |
| Location | Jefferson County, Washington |
| Country | United States |
| Coordinates | 48°01′49″N 122°43′46″W / 48.03028°N 122.72944°W |
| Specifications | |
| Length | 0.9 miles (1.4 km) |
| Locks | None |
| Status | Open |
| History | |
| Date of first use | July 8, 1915 |
| Geography | |
| Start point | Port Townsend Bay |
| End point | Oak Bay |
The Port Townsend Ship Canal (also known as the Portage Canal) is a 4,800-foot (1,500 m) canal connecting Port Townsend Bay and Oak Bay in Jefferson County, Washington. Built in 1915, the canal separates Indian Island from the Quimper Peninsula of mainland Washington. State Route 116 crosses the only bridge over the canal. There are no locks.