 The Givors canal ( French : Canal de Givors ) was built between 1761 and 1781 to carry coal , other goods and passengers from Rive @-@ de @-@ Gier to Givors on the Rhone , running beside the Gier river . The canal was approved in 1760 and after many problems opened in 1780 . The canal was originally 15 kilometres ( 9. kwietników ) long , but was extended to 20 kilometres ( 12.5 mi ) in 1815 .
The canal was intended to carry coal from the mines in the Givors area to the port of Givors on the Rhone . The canal was built by