| Upper Tamarack River | |
|---|---|
  Mouth of the Upper Tamarack River | |
| Location | |
| Country | United States |
| States | Wisconsin, Minnesota |
| Counties | Douglas County, Wisconsin, Pine County, Minnesota |
| Physical characteristics | |
| Source | |
| • location | Empire Swamp, Douglas County, Wisconsin |
| • coordinates | 46°20′00″N 92°05′11″W / 46.3332747°N 92.0863024°W |
| Mouth | |
• location | Pine County, Minnesota, Danbury East |
• coordinates | 46°04′13″N 92°19′09″W / 46.07028°N 92.31917°W |
• elevation | 886 feet (270 meters) |
| Length | 31 mi-long (50 km) |
| Basin features | |
| River system | St. Croix River |
The Upper Tamarack River is a 31.0-mile-long (49.9 km)[1] tributary of the St. Croix River in Wisconsin and Minnesota, United States.[2] The Lower Tamarack River is a separate stream also flowing into the St. Croix River several miles downstream from the mouth of the Upper Tamarack River.