From the highest points of Les Vallons du Guiers, enjoy a panoramic view from the Chartreuse to Bugey via the Epine and Le Chat. The appeal of the ride is irresistible. Departure / arrival / parking: City Hall of Saint Martin de Vaulserre. Cartography: cartoguide Vals du Dauphiné and ideas for hikes in the Vals du Dauphiné - Vallons du Guiers sector for sale (€ 5 and € 3) in your tourist office (Pont de Beauvoisin) - Marking: PR- yellow- Since Saint Martin de Vaulserre town hall, follow the Antiquaire / Savagneu / At the crossroads of Savagneu, follow the direction of Saint Jean d'Avelanne. At the exit of the road, take the road on the left leaving the markup. Be careful while crossing. Enter Saint LMartin de Vaulserre and continue straight to the starting point (see attached topo sheet for download) - Nature of the terrain: Land / pebbles / tar - Between softness and vitality, the hills of Vallons du Guiers (East part of the Vals du Dauphiné) are an ideal playground for family or sports walks along the river and in the forest. You will surely enjoy the views of Bugey, Chat, Epine and Chartreuse nearby! Houses adobe and tiles scales, castles and fortified houses ensuring the border between the ancient kingdoms of France and Piedmont Sardinia will delight your eyes. Our marked trails are labeled pedestrian, mountain bike and equestrian.