Green River (Illinois)
The Green River is an 89-mile-long (143 km) tributary of the Rock River in northwestern Illinois in the United States. Via the Rock, it is part of the Mississippi River watershed. Much of the Green's course has been straightened and channelized.
| Green River | |
|---|---|
| Physical characteristics | |
| Source | |
| • location | Reynolds Township, Lee County south of Rochelle, Illinois |
| • coordinates | 41°51′26″N 89°05′30″W |
| • elevation | 775 ft (236 m) |
| Mouth | |
• location | Confluence with Rock River near Quad Cities |
• coordinates | 41°28′09″N 90°23′43″W |
• elevation | 558 ft (170 m) |
| Length | 89 mi (143 km) |
| Discharge | |
| • location | Geneseo, Illinois |
| • average | 704 cu/ft. per sec. |
| Basin features | |
| Progression | Green River → Rock → Mississippi → Gulf of Mexico |
| GNIS ID | 409398 |
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