Start in Chamarel village, 600m of road before climbing to the highest point of Mauritius, Piton de la Riviere Noire on technical singletrack, then turn along the crest of the ridge to Plaine Champagne 3km distance, to the viewpoint on more singeltracks, then a track to the Parakeet antenna on 1km of road, turning onto more narrow singletrack crossing rivers and small descents and climbs, into a pine forest with track, until Petrin where there is a vechicle track leading ot the top of the Black River Gorges, going down into the valley on slippery mud path and crossing the main river at 100m altitude, then a climb back up the steepest path in Mauritius to the Parakeet Antenna.