Plum River
| Plum River | |
|---|---|
| Physical characteristics | |
| Source | |
| • location | Jo Daviess County southeast of Stockton, Illinois |
| • coordinates | 42°20′31″N 89°59′39″W / 42.3419444°N 89.9941667°W |
| • elevation | 988 ft (301 m) |
| Mouth | |
• location | Confluence with the Mississippi at Savanna, Illinois |
• coordinates | 42°05′14″N 90°09′15″W / 42.0872222°N 90.1541667°W |
• elevation | 584 ft (178 m) |
| Length | 47 mi (76 km) |
| Basin features | |
| Progression | Plum River → Mississippi → Gulf of Mexico |
| GNIS ID | 415959 |
The Plum River is a tributary of the Mississippi River, about 46.6 miles (75.0 km) long, in northwestern Illinois in the United States. It rises in Jo Daviess County and flows generally south-southwestwardly into Carroll County, where it joins the Mississippi at Savanna. Among its several short tributaries are:
- The East Plum River, which rises in Stephenson County and flows southwestwardly into Carroll County, joining the Plum at 42°10′16″N 90°01′20″W / 42.1711111°N 90.0222222°W
- The Muddy Plum River, which flows for its entire length in Jo Daviess County. It joins the Plum River at 42°13′35″N 90°01′45″W / 42.2263889°N 90.0291667°W
- The Middle Fork Plum River joins the Plum River at 42°16′29″N 90°02′12″W / 42.2747222°N 90.0366667°W
- The North Fork Plum River has its confluence with the Plum River at 42°15′46″N 90°02′33″W / 42.2627778°N 90.0425°W