Groundhouse River
| Groundhouse River | |
|---|---|
| Location | |
| Country | United States | 
| State | Minnesota | 
| Counties | Kanabec, Mille Lacs | 
| Physical characteristics | |
| Source | |
| • coordinates | 45°58′31″N 93°34′03″W / 45.9752372°N 93.5674621°W | 
| Mouth | |
 • coordinates  | 45°48′39″N 93°15′44″W / 45.8107936°N 93.2621676°W | 
| Length | 39.8 mi-long (64.1 km) | 
| Basin features | |
| Progression | Groundhouse River→ Snake River→ St. Croix River→ Mississippi River→ Gulf of Mexico | 
| River system | Snake River | 
The Groundhouse River is a 39.8-mile-long (64.1 km) tributary of the Snake River in eastern Minnesota. Via the Snake River and St. Croix River, it is part of the Mississippi River watershed flowing to the Gulf of Mexico.