| Tatshenshini River | |
|---|---|
 O'Connor Creek delta in the Tatshenshini River in British Columbia | |
 | |
| Location | |
| Country | Canada |
| Physical characteristics | |
| Source | |
| • location | Datlasaka Creek |
| • coordinates | 59°50′30″N 136°39′38″W / 59.84167°N 136.66066°W |
| • elevation | 910 m (2,990 ft) |
| Mouth | |
• location | Alsek River |
• coordinates | 59°28′44″N 137°45′56″W / 59.47894°N 137.76555°W |
• elevation | 120 m (390 ft) |
The Tatshenshini River (/ˌtætʃɛnˈʃiːni/; Tlingit Tʼachanshahéeni, Southern Tutchone Shäwshe Chù) is a river in the Canadian boreal forest, in the southwestern Yukon and the northwestern corner of British Columbia. It originates in British Columbia, near Haines Highway. It flows north into Yukon, then it turns west and south before it returns into British Columbia, where it flows through the Tatshenshini-Alsek Provincial Wilderness Park. There it joins the Alsek River, which then flows into the Pacific Ocean in Alaska, United States. It is popular for wilderness rafting trips.