The North Branch Kishwaukee River is a 17.1-mile-long (27.5 km)[1] tributary of the Kishwaukee River in northern Illinois.[2][3]
| North Branch Kishwaukee River | |
|---|---|
| Physical characteristics | |
| Source | |
| • location | McHenry County northeast of Harvard, Illinois |
| • coordinates | 42°26′49″N 88°32′17″W |
| • elevation | 966 ft (294 m) |
| Mouth | |
• location | Confluence with the Kishwaukee east of Marengo, Illinois |
• coordinates | 42°15′57″N 88°33′04″W |
• elevation | 810 ft (250 m) |
| Length | 17 mi (27 km) |
| Basin features | |
| Progression | North Branch Kishwaukee River → Kishwaukee → Rock → Mississippi → Gulf of Mexico |
| GNIS ID | 414567 |
| Map all coordinates using: OpenStreetMap |
| Download coordinates as: KML |
The North Branch Kishwaukee River northeast of Harvard, Illinois and flows south through McHenry County.[4] to join the Kishwaukee River east of Marengo.[1] It drains approximately 40 square miles (100 km2) of land area,[4] flowing for 17 miles.[1]
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.[5] The North Branch has an average width of 50 feet (15 m), but in Boone County the stream becomes both wider and deeper.[5] Nearer its point of origin the North Branch has a substrate of gravel, the substrate becomes sand and silt going further downstream.[5]
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