<Table> <Tr> <Th_colspan="2"> Trent and Mersey Canal </Th> </Tr> <Tr> <Td_colspan="2"> The Trent and Mersey Canal near Branston Water Park </Td> </Tr> <Tr> <Th_colspan="2"> Specifications </Th> </Tr> <Tr> <Th> Locks </Th> <Td> 76 </Td> </Tr> <Tr> <Th> Status </Th> <Td> Open </Td> </Tr> <Tr> <Th> Navigation authority </Th> <Td> Canal and River Trust </Td> </Tr> <Tr> <Th_colspan="2"> History </Th> </Tr> <Tr> <Th> Principal engineer </Th> <Td> James Brindley </Td> </Tr> <Tr> <Th> Date of act </Th> <Td> 1766 </Td> </Tr> <Tr> <Th> Date of first use </Th> <Td> 1777 </Td> </Tr> <Tr> <Th_colspan="2"> Geography </Th> </Tr> <Tr> <Th> Start point </Th> <Td> River Trent, Derwent Mouth </Td> </Tr> <Tr> <Th> End point </Th> <Td> River Mersey (Connection via Bridgewater Canal) </Td> </Tr> <Tr> <Th> Connects to </Th> <Td> Bridgewater Canal </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Trent and Mersey Canal </Th> </Tr>

Where does the trent and mersey canal start and end
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