Portage River (Jackson County, Michigan)

For other Portage Rivers in Michigan, see Portage River (Michigan).

Portage River

Origin	Waterloo Township, Jackson County, Michigan
Mouth	Grand River in Blackman Charter Township, Jackson County, Michigan
Basin countries	United States
Length	15.5 mi (24.9 km)
Mouth elevation	909 feet (277 m)^[1]

The Portage River is a 15.5-mile-long (24.9 km)^[2] 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 / 42.37389; -84.18000 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 / 42.31500; -84.39500 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.

Drainage basin

The Portage River drains all or portions of the following administrative divisions:

Ingham County

Jackson County

Washtenaw County
- Lyndon Township
- Sylvan Township

Named tributaries

From the mouth:

(right) Wildcat Creek^[3]
- Brill Lake^[4]
(right) outflow from
- St. John Lake^[5]
- Eagle Lake^[6]
- Mud Lake^[7]
(left) Batteese Creek^[8]
- Batteese Lake^[9]
- Hewes Lake^[10]
(left) Orchard Creek^[11]
- (left) Cahaogan Creek^[12]
- (right) Thornapple Creek^[13]
  - (left) Pickett Drain^[14]
    - Standish Lake^[15]
  - (right) Jacobs Lake Drain^[16]
    - Jacobs Lake^[17]
(right) outflow from Portage Lake^[18]
Little Portage Lake^[19]
- (right) outflow from series of lakes and small streams including
  - Locker Lake^[20]
  - Riley Lake^[21]
  - Notten Lake^[22]
  - Lehman Lake^[23]
- (left) Honey Creek^[24]
- Portage Lake Swamp^[25]

References

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