For 15 points identify this river that flows through Lake Geneva, Arles, and Avignon before emptying into the Mediterranean, the second longest in France.
Geography:  It begins from a namesake glacier on the south side of the Dammastock, and at Camargue Island, it splits into "grande" and "petit" branches near its mouth. For 15 points identify this river that flows through Lake Geneva, Arles, and Avignon before emptying into the Mediterranean, the second longest in France.
Geography:  It begins from a namesake glacier on the south side of the Dammastock, and at Camargue Island, it splits into "grande" and "petit" branches near its mouth.
{Rhône} River