The Fox River is a river in eastern Wisconsin in the Great Lakes region of the United States. It is the principal tributary of the Green Bay, and via the bay, the largest tributary of Lake Michigan. The city of Green Bay, one of the first European settlements in the interior of North America, is on the river at its mouth on the Green Bay.

The Upper Fox River is a section of the historic Fox - Wisconsin Waterway. The Upper Fox River flows northwest from its headwaters to within 2 miles (3 km) of Portage. The river then curves and flows to the north - northeast about 110 river miles from Portage to Lake Winnebago.

The Fox-Wisconsin Waterway is a waterway formed by the Fox and Wisconsin Rivers. First used by European settlers in 1673 during the expedition of Marquette & Joliet, it was one of the principal routes used by travelers between the Great Lakes and the Mississippi River until the completion of the Illinois and Michigan Canal in 1848 and the ...

The Fox River flows across central and east-central Wisconsin to Green Bay. The current is slow with large areas of lake and marsh canoeing above Lake Butte des Morts. Access is available at many parks along the river.

These maps show the watershed region and the river with its tributaries. Click each map for a The Fox River watershed covers 2,658 square miles around the Fox River extending from Colgate, WI, to Ottawa, IL.

Learn about long-term monitoring efforts on the river, see schedules and review results. A selection of governing documents, technical reports, etc.

The Lower Fox River runs 39 miles from Lake Winnebago to the bay of Green Bay in northeast Wisconsin. As one of the largest freshwater estuaries in the world, the Lower Fox River plays a vital role in Wisconsin's environment and economy.

The Fox River Watershed is located primarily in Winnebago County but extends west to Green Lake County and south to Fond du Lac County. The watershed is 76,643 acres in size and contains 236 miles of streams and rivers, 3102 acres of lakes and 13,826 acres of wetlands.

Beyond that, the Fox River features year-round fishing opportunities, both on boat and in several designated public shore areas on City-owned land. This also includes a scenic fishing pier located off the Riverwalk adjacent to Voyageur Park.

The 11-mile Fox River Water Trail provides access to Kenosha County’s largest river. It includes four non-motorized watercraft launch sites maintained by the Kenosha County Parks Division. The Fox River watershed covers 2,658 square miles around the Fox River extending from Colgate, WI , …