Recent research on the Rhône valley and its environment in Antiquity has made possible a new reading of evidence regarding regional trade and settlement pattern. The Rhône is no more considered as a physical impassable border concerning tribal political boundaries (Segauvellones, Helvii, Cavares) as well as trade axis. Following topics are examined : the river crossing through fords, by pontoonbridges and boats, land routes, via Agrippina and tracks going up the Rhône valley, passages across its affluents. Our understanding of the river needs also thinking out again. The actual picture of a domesticated river and the picture of last century portraying a turbulent river with frequent and appalling over-flows are not relevant dealing with anc...