Réunion Island is an island belonging to France, which can be found in the Indian Ocean. Réunion Island is covered in rainforests, but it is also well known for volcanic activity in the area. There are a couple of different volcanos in the area. The Piton de la Fournaise volcano is one of the largest active volcanos in the area. The Piton des Neiges is no longer active, but it is famous for having created large craters and caves from previous eruptions.