Portage River | |
---|---|
Location | |
Country | United States |
Physical characteristics | |
Source | |
• location | Waterloo Township, Jackson County, Michigan |
Mouth | |
• location | Grand River in Blackman Charter Township, Jackson County, Michigan |
• elevation | 909 feet (277 m) [1] |
Length | 15.5 mi (24.9 km) |
Discharge | |
• location | mouth |
• average | 148.54 cu ft/s (4.206 m3/s) (estimate) [2] |
The Portage River is a 15.5-mile-long (24.9 km) [3] river in the U.S. state of Michigan, flowing mostly southwesterly through northeast Jackson County.
The Portage River rises at approximately 42°22′26″N 84°10′48″W / 42.37389°N 84.18000°W in the Portage Lake Swamp in the Waterloo State Recreation Area. The river flows mostly southwest into the Grand River at 42°18′54″N 84°23′42″W / 42.31500°N 84.39500°W in Blackman Charter Township just north of the city of Jackson. [1] The Portage River forms the boundary between the townships of Henrietta and Leoni.
The Portage River drains all or portions of the following administrative divisions:
From the mouth:
Portage River | |
---|---|
Location | |
Country | United States |
Physical characteristics | |
Source | |
• location | Waterloo Township, Jackson County, Michigan |
Mouth | |
• location | Grand River in Blackman Charter Township, Jackson County, Michigan |
• elevation | 909 feet (277 m) [1] |
Length | 15.5 mi (24.9 km) |
Discharge | |
• location | mouth |
• average | 148.54 cu ft/s (4.206 m3/s) (estimate) [2] |
The Portage River is a 15.5-mile-long (24.9 km) [3] river in the U.S. state of Michigan, flowing mostly southwesterly through northeast Jackson County.
The Portage River rises at approximately 42°22′26″N 84°10′48″W / 42.37389°N 84.18000°W in the Portage Lake Swamp in the Waterloo State Recreation Area. The river flows mostly southwest into the Grand River at 42°18′54″N 84°23′42″W / 42.31500°N 84.39500°W in Blackman Charter Township just north of the city of Jackson. [1] The Portage River forms the boundary between the townships of Henrietta and Leoni.
The Portage River drains all or portions of the following administrative divisions:
From the mouth: