Sete Cidades Massif is a stratovolcanic complex, referring to a polygenetic volcano and caldera, located in western part of the island of São Miguel, in the Portuguese archipelago of the Azores. More recognizable for the Lagoa das Sete Cidades at its centre, the volcanic complex includes centuries of geomorphological structures that include lava domes, cones, lava flows and maar geomorphology that have marked its history.
The emblematic view of the Sete Cidades Massif is highlighted principally by the Lagoa das Sete Cidades crater lake
A historic rendering of the Sete Cidades Massif and crater lakes
Lateral profile of the crater wall towards the western edge of the caldera
A view of the northeastern flanks of the Sete Cidades Massif, showing the small radial cones in Santo António
São Miguel Island, nicknamed "The Green Island", is the largest and most populous island in the Portuguese archipelago of the Azores. The island covers 760 km2 (290 sq mi) and has around 140,000 inhabitants, with 45,000 people residing in Ponta Delgada, the archipelago's largest city.
Satellite image of the island
The landing of the Spanish Tercios at Terceira during the Portuguese succession crisis of 1580
An 1845 engraving of the island of São Miguel (west is up)
Lagoa do Fogo (English: Lake of Fire), as seen from Miradouro da Serra da Barrosa, along the Água de Pau Massif