Total length: 176 miles (Columbia County to Green Bay)
Direction: flows northeasterly Lower Fox (Menasha to Green bay)
Length: 39 miles
Width: 500-1,000 feet
River level at Lake Winnebago: 745.1 feet
River level at Lake Michigan: 576.8 feet
Drop from Menasha to Green Bay: 168 feet
Lower Fox River Locks System, Wisconsin Legislative Council Staff, 7-26-1988.