<Tr> <Th> Settlements </Th> <Td> 7 miles (11 km) south of Kalispell, Montana </Td> </Tr> <Tr> <Td_colspan="2"> Shore length is not a well - defined measure . </Td> </Tr> <P> Flathead Lake (Salish: člq̓etkw) is the largest natural freshwater lake by surface area that is west of the Mississippi River in the contiguous United States, if one takes Red Lake and Lake of the Woods to be north of the Mississippi River, rather than west of the river . </P> <P> With a surface area of between 191.5 sq mi (496 km) and 197 sq mi (510 km), Flathead Lake is slightly larger in surface area than Lake Tahoe, but it is much smaller in volume . </P>

What is the largest lake west of mississippi