The Guisane is a river in the Hautes-Alpes department, Provence-Alpes-Côte d'Azur region of France, a subtributary of the Rhône and tributary of the Durance. It takes its source in Le Monêtier-les-Bains at the Col du Lautaret. It is 27.7 km long. Its drainage basin is 200 km². It has an average discharge of 5.19 m³/s in Saint-Chaffrey. From Wikipedia
