<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2009) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2009) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> Grand River </Th> </Tr> <Tr> <Td_colspan="2"> A map of the Grand River </Td> </Tr> <Tr> <Th_colspan="2"> Physical characteristics </Th> </Tr> <Tr> <Th> Main source </Th> <Td> Somerset Township, Hillsdale County, Michigan 42 ° 05 ′ 12" N 84 ° 25 ′ 21" W ﻿ / ﻿ 42.0867 ° N 84.42245 ° W ﻿ / 42.0867; - 84.42245 </Td> </Tr> <Tr> <Th> River mouth </Th> <Td> Grand Haven, Michigan 43 ° 03 ′ 30" N 86 ° 15 ′ 03" W ﻿ / ﻿ 43.05835 ° N 86.25088 ° W ﻿ / 43.05835; - 86.25088 Coordinates: 43 ° 03 ′ 30" N 86 ° 15 ′ 03" W ﻿ / ﻿ 43.05835 ° N 86.25088 ° W ﻿ / 43.05835; - 86.25088 </Td> </Tr> <Tr> <Th> Length </Th> <Td> 252 miles (406 km) </Td> </Tr> <Tr> <Th> Discharge </Th> <Td> <Ul> <Li> Average rate: 3,800 cubic feet per second (110 m / s) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Basin features </Th> </Tr> <Tr> <Th> Basin size </Th> <Td> Grand River Watershed </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Grand River </Th> </Tr>

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