Topo Volcano (Portuguese: ) is an inactive shield volcano located on Pico Island, Azores. The volcano measures in height and occupies the southernmost area of the island. It is part of the Lajes (or Topo) Volcanic Complex, the oldest volcanic apparatus which gave origin to the island, around 300,000 years ago. The volcano was created by a thick superposition of alternated PÃÂhoehoe lava flows and thin layers (10%) of pyroclastic material.
Its land area is approximately but its total area, accounting for the sea floor and the area that gave rise to the Achada Plateau, is estimated to be around .