A circuit in the heart of the high peaks of the Mercantour. An emblematic itinerary which follows a historical path.
Leave from marker 357. The path zigzags upwards gently on the slope which features the sanctuary. The width and surface of the path may surprise you.
Before crossing the Magnin mountain stream (marker 368), head past the path which leads to Le Pas des Ladres a follow the direction of Le Lac de Fenestre. To the east, you can see Le Pas du Mont Colomb and on its right the northern slopes of Le Grand Caïre (2532 m) and Le Petit Caïre (2413 m).
Continue until you reach Le Lac de Fenestre, at an altitude of 2266 metres. It is 250 metres long, 75 metres and up to 4 metres in depth.
The path winds towards Le Col de Fenestre and heads between two bunkers which are sometimes frequented by ibex. You will reach the col after the intersection at marker 369. On the slopes on the Italian side, a barracks denotes the military purposes the area was used for in the past.
Return to marker 369. Turn right towards Le Pas des Ladres (marker 428), which provides an extensive view over the high Boreon valley and Lac de Trecolpas (2150 m). Continue along GR52 towards La Madone de Fenestre.
Free of charge.