If you are thinking about using the French canals to passage between the UK and the Mediterranean then this booklet contains all the information you need.It describes the Routes, the regulations the paperwork - How where and when to get the qualifications and license, the depths, air heights, locks and a whole lot more.There are 'charts' throughout, the distances, dimensions&main stopping places and is the only publication to list ALL the possible stopping places on the Rhone River!