GNIS ID 414567 Source McHenry County, Illinois | Length 27 km Country United States of America | |
Main source McHenry County northeast of Harvard, Illinois
966 ft (294 m) River mouth Confluence with the Kishwaukee east of Marengo, Illinois
810 ft (250 m) Progression North Branch Kishwaukee River → Kishwaukee → Rock → Mississippi → Gulf of Mexico | ||
The North Branch Kishwaukee River is a 17.1-mile-long (27.5 km) tributary of the Kishwaukee River in northern Illinois.
Contents
Map of North Branch Kishwaukee River, Illinois, USA
Course
The North Branch Kishwaukee River northeast of Harvard, Illinois and flows south through McHenry County. to join the Kishwaukee River east of Marengo. It drains approximately 40 square miles (100 km2) of land area, flowing for 17 miles.
Description
The North Branch Kishwaukee River flows in an east-west direction from its point of origin and has a generally unimpeded flow, save a dam at Belvidere, Illinois. The North Branch has an average width of 50 feet (15 m), but in Boone County the stream becomes both wider and deeper. Nearer its point of origin the North Branch has a substrate of gravel, the substrate becomes sand and silt going further downstream.