<Tr> <Td> - location </Td> <Td> Arctic Ocean, Laptev Sea </Td> </Tr> <Tr> <Th> Length </Th> <Td> 4,472 km (2,779 mi) </Td> </Tr> <Tr> <Th> Basin </Th> <Td> 2,500,000 km (965,255 sq mi) </Td> </Tr> <Tr> <Th> Discharge </Th> <Td> for Laptev Sea </Td> </Tr>

Where does the lena river start and end