5 Geological Formations to Explore in Réunion

It is a small volcanic crater on the french island Réunion located at the Piton de la Fournaise volcano on Réunion Island.

The Cirque de Mafate is a caldera on Réunion Island. The cirque is entirely enclosed by mountains, especially tall cliffs, save for the sole river exiting, the Rivière des Galets. The name "Mafate" comes from the Malagasy word "Mahafaty", which means lethal, an allusion to the difficulty of accessing the Cirque.

Plaine des Sables is a beautiful landscape, which was created from the eruption of Piton Chisny.

The Trois Salazes are a set of three rocky peaks forming a natural curiosity of the Piton des Neiges seen from the center of Cilaos on the island of Reunion.

The Trou de Fer ("Iron Hole") is a canyon on Reunion Island, off the coast of Madagascar in the Indian Ocean. The primary river flowing through the gorge, which is up to 300 m deep, is the Bras de Caverne River. The canyon has two distinct parts: a large crater, which is fed by six prominent waterfalls, and a narrow slot canyon at its outlet, which constitutes most of the canyon's length.