Clue des Mujouls is the second canyon of the four canyons section on the Esteron River into Esteron valley (with Clue d'Aiglun and Clue de la Cerise).  This canyon is located close of the little village of "Les Mujouls" in Alpes-Maritimes department of France. At half part into the canyon, visitor can be contemplated on the left wall a colorful series of travertin waterfall which offers an exceptional spectacle of beauty. This five hours round trip required a rope of 30 meters long.