The Brien Canal, also known as the Canal Saint-Pierre, is a canal that connects the Garonne River to the Midi and the Garonne Canal. It extends in the center of Toulouse for a distance of 1560 meters from its source in Bazecle, and where you can find the Twin Bridges, it was inaugurated on April 14, 1776, and the intention was These include the transfer of water from the Garonne River to the canal and the provision of a navigable route to the port of La Daurad, located in the center of Toulouse.