Start the walk at the car park by the Maïdo viewpoint.
(S/E) From the car park, you can visit the viewpoint over the Cirque de Mafate; otherwise, take the concrete road that starts on the other side, passing through a gate. Ignore all adjacent paths. Continue in this direction until you reach the next gate, situated on the left (elevation 2176).
(1) Carry on straight ahead along the track, ignoring the path to the left. The track climbs through the scree and approaches the rim of the Cirque de Mafate. You’ll reach the junction at the Grand Bord.
(2) Follow the track until you reach a Fork in the road.
(3) Stay on the track until it ends.
(4) Continue straight on, then keep to the right and then the left towards the Caverne de la Glacière.
(5) Return to the starting point by following the route in reverse until you reach (S/E).