The Pine River is a tributary of the Chippewa River and is thus part of the Saginaw River drainage basin .
The Pine River is a 103 - mile - long ( 166 km ) river in the Lower Peninsula of the U.S. state of Michigan .
The river   is a tributary of the Chippewa River and is thus part of the Saginaw River drainage basin .
The Pine River is a 103 - mile - long ( 166 km ) river in the Lower Peninsula of the U.S. state of Michigan .