| Little Vermillion River | |
|---|---|
| Location | |
| Country | United States of America |
| States | Illinois |
| Cities | Mendota, Troy Grove, La Salle |
| Physical characteristics | |
| Source | |
| • location | Mendota Township, LaSalle County, Illinois |
| • coordinates | 41°36′46″N 89°05′44″W / 41.6128095°N 89.0956426°W |
| • elevation | 912 ft (278 m) |
| Mouth | |
• location | Confluence with the Illinois River, LaSalle, Illinois |
• coordinates | 41°19′29″N 89°04′53″W / 41.3247568°N 89.0814716°W |
• elevation | 447 ft (136 m) |
| Length | 34.7 mi (55.8 km) |
| Basin size | 80,420 acres (32,540 ha)[1] |
| Basin features | |
| Progression | Little Vermilion River → Illinois River → Mississippi River → Gulf of Mexico |
| Landmarks | Mitchell's Grove Nature Preserve |
| Population | 14600 |
| Tributaries | |
| • left | Tomahawk Creek |
| • right | Mendota Creek |
| GNIS ID | 412427 |
The Little Vermilion River is a 34.7-mile-long (55.8 km)[2] tributary of the Illinois River, which it joins near LaSalle, Illinois, opposite the north-flowing Vermilion River.[3] There is another "Little Vermilion River" in Illinois which is a tributary of the Wabash River.
EPA was invoked but never defined (see the help page).