Formans
It flows into the Saône between Saint-Bernard and Trévoux . 
<triplet> Saint-Bernard <subj> Saône <obj> located in or next to body of water <subj> Trévoux <obj> shares border with <triplet> Trévoux <subj> Saône <obj> located in or next to body of water <subj> Saint-Bernard <obj> shares border with