Pinnebog River

The Pinnebog River is a 39.4-mile-long (63.4 km) river in the Thumb region of the U.S. state of Michigan. The river flows into Lake Huron on the west side of the "tip" of the "thumb".
The entire length of the Pinnebog lies within Huron County and is fed by various agricultural ditches and drains. It is formed by the confluence of the Colona and Colfax drains near the southern boundary of section 28 in Colfax Township, on the south side of M-53 (Van Dyke Rd.) about 4 miles (6 km) south-southwest of Bad Axe. It flows southwest for about 2 miles (3 km) around the unincorporated community of Po...