Boca do Inferno Viewpoint, Scenic viewpoint in Sete Cidades, Portugal
The observation point stands above Sete Cidades, providing views of Lagoa Verde and Lagoa Azul lakes within the volcanic crater landscape.
The geological formation of the viewpoint dates back to volcanic activity that shaped São Miguel Island thousands of years ago, creating the crater lakes.
Local residents have integrated this natural landmark into their hiking traditions, establishing multiple trail routes for different experience levels.
Visitors can access the viewpoint through a 2.45-kilometer trail from Candelária or choose longer routes ranging from 9 to 19 kilometers.
The location offers different perspectives of the twin lakes throughout the day as shifting fog patterns create alternating views of the water bodies.
Address: São Miguel, 9555, Portugal
Opening Hours: Monday-Friday 06:00-19:00; Saturday-Sunday 10:00-19:00
GPS coordinates: 37.84293,-25.76361
Latest update: October 24, 2025 17:19
The Azores archipelago is located approximately 930 miles (1500 km) off the coast of Portugal in the Atlantic. The volcanic origin of the nine islands has shaped a landscape featuring crater lakes, active hot springs, caves carved into the rock, and botanical gardens arranged around geothermal basins. São Miguel hosts many of these sites, including Parque Terra Nostra in Furnas with its 102°F (39°C) ferruginous pools, the Fogo Lake at 1,887 meters (6,191 ft) above sea level, and the Gorreana tea plantation, operating since 1883. The archipelago also features geological formations accessible to visitors, such as Algar do Carvão on Terceira, descending 90 meters (295 feet) underground, and Vila Franca do Campo, an old crater now a lagoon. Pico's vineyards, listed as a UNESCO World Heritage Site, demonstrate agricultural adaptation to volcanic terrain. Beyond natural sights, several religious and civil buildings dating from the 16th century remain in historic towns, notably in Angra do Heroísmo on Terceira.
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