On the bank of the Rhone River lies Tain L’Hermitage, a commune famous for its Côtes du Rhone wine and gourmet chocolates.   Pay a visit to one of the 45 wine-producing caves on the commune to sample the many varieties of wine produced in the area.  After travelers have satisfied their epicurean interests, they may want to take a walk across the La Passerelle Seguin Bridge to visit a medieval town complete with a castle.