Ranking World Heritage of Humanity by UNESCO December 7, 1996 has given a soul to one of the oldest still operating channels, now dedicated to tourism. Built during the reign of Louis XIV, from 1667 to 1681, called the Royal Canal to the French Revolution, a distance of 240 km. Large 20 to 24 m, 2 m deep on average, there are 69 locks and 350 works spanning his course and facilitate its airworthiness.
http://uk.beziers-mediterranee.com/discover/the-canal-du-midi