<Tr> <Th_colspan="2"> Physical characteristics </Th> </Tr> <Tr> <Th> Main source </Th> <Td> North Texas, near the Red River </Td> </Tr> <Tr> <Th> River mouth </Th> <Td> Trinity Bay, at Chambers County, Texas 0 ft (0 m) </Td> </Tr> <Tr> <Th> Length </Th> <Td> 710 miles (1,140 km) </Td> </Tr>

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