From the Champataule lakes (south and north), head off to the lands of the Lords of Marillat, around their poype. Between Reyssouze, Jugnon and ford des Merciers, Viriat's countryside opens up gently.
What to see: Le Jugnon / la Reyssouze / Champataule Sud-Nord / Plan d'eau des Vernay / Calvaire des Merciers / Moulin Peloux.