Volcanic Caldera

The volcanic caldera, also known as the Furnas caldera, is one of the most visited places in the entire Azores archipelago. The various phenomena of the active volcanoes present at the site contribute to this attraction. Other attractions include the sulfuric sludge and the huge amount of water sources dotted in the area; Some are hot, others are mild, or even cold or gaseous, and this water emanates from the depths of the earth in the form of a gas surprisingly.