Little Vermilion River (Illinois River tributary)

Little Vermillion River
Location
CountryUnited States of America
StatesIllinois
Cities Mendota, Troy Grove, La Salle
Physical characteristics
Source 
  locationMendota Township, LaSalle County, Illinois
  coordinates41°36′46″N 89°05′44″W / 41.6128095°N 89.0956426°W / 41.6128095; -89.0956426 (Little Vermilion River origin)
  elevation912 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 / 41.3247568; -89.0814716 (Little Vermilion River mouth)
  elevation
447 ft (136 m)
Length34.7 mi (55.8 km)
Basin size80,420 acres (32,540 ha)
Basin features
ProgressionLittle Vermilion River → Illinois RiverMississippi RiverGulf of Mexico
LandmarksMitchell's Grove Nature Preserve
Population14600
Tributaries 
  leftTomahawk Creek
  rightMendota Creek
GNIS ID412427

The Little Vermilion River is a 34.7-mile-long (55.8 km) tributary of the Illinois River, which it joins near LaSalle, Illinois, opposite the north-flowing Vermilion River. There is another "Little Vermilion River" in Illinois which is a tributary of the Wabash River.