On board the helicopter can photograph the entire island, Trou de Fer appears to us as the most spectacular corner of the island. The best company for a helicopter trip is Helilagon. We see a giant waterfalls crashing into deep wells, surrounded by greenery everywhere. Since the ground is simply an oasis of rock, water and vegetation. In the same way that symbolizes the climb K2 more important to a climber can aspire elite, the Trou de Fer is a gorge mythical, the highest aspiration of the descending canyons.