Take the M2205 towards Saint-Étienne-de-Tinée, then turn onto the M61 at Le Bourguet towards Roya. Once in Roya, park at the car park at the end of the road or, if it is full, in the small car park behind the church in the village and walk back up to the car park to reach the start of the hike.
Yellow PR® markings
(S/E) Start at marker 140, at the end of the car park at the end of the road. Follow the Å trail westwards to the next marker.
(1) At marker 142, turn left onto the path leading down to the Roya Valley.
(2) Once you have crossed the bridge, turn right and follow the path marked with a horizontal yellow line and/or cairns. The landscape changes regularly depending on how the banks have been shaped by the various floods of the torrent. Welcome to the Mercantour Park.
(3) Follow the well-marked path with yellow horizontal markings towards the south-west. When crossing the meadows of the Alp valley, follow the cairns. There are no particular difficulties until you reach the summit.
(4) From the Alp valley, change slopes by crossing the torrent, heading south-east to the Col de Crous.
(5) Return to the car park (S/E) by following the same route you took on the way up.