Grand River | |
---|---|
Bluffs above the Grand at Adam-ondi-Ahman | |
![]() Major Missouri rivers | |
Location | |
Country | US |
State | Iowa, Missouri[1] |
Physical characteristics | |
Source | |
• location | Creston, Iowa, US |
• coordinates | 41°01′30″N 94°16′05″W / 41.025°N 94.268°W |
Mouth | Missouri River |
• location | Brunswick, Missouri, US |
• coordinates | 39°23′02″N 93°06′29″W / 39.384°N 93.108°W |
• elevation | 620 ft (190 m) |
Discharge | |
• location | Sumner, MO |
• average | 4,288 cu/ft. per sec.[2] |
The Grand River is a river that stretches from northernmost tributary origins between Creston and Winterset in Iowa approximately 226 miles (364 km)[3] to its mouth on the Missouri River near Brunswick, Missouri.
Its watershed of 7,900 square miles (20,000 km2), with three-quarters in Missouri, makes it the largest watershed serving the Missouri River in northern Missouri.[4]