Park on the B103 road at Black River Gorges. Look out for a huge rock with a hiker drawn on it, which marks the start of the hike.
(S/E) Head west on the Piton de la Petite Rivière Noire Trail. Reach the boundary marker between the island's two districts.
(1) Continue west then north-west along this trail to reach the summit of Piton de Saint-Denis.
(2) Change direction completely and head north. Wind your way gently through the forest to reach the summit of Piton de la Petite Rivière Noire. Enjoy the beautiful view from here.
(3) Take the same route back to the car park on the B103 road (S/E).