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Top things to do in São Miguel
Gruta do Carvão
Place of Interest
In the northwest part of Ponta Delgada, integrated into the Monumento Natural Regional da Gruta do Carvão (Regional Natural Monument of Gruta do Carvão) you will find the Gruta do Carvao. This unique and interesting site boasts the largest ancient lava tube on the São Miguel Island.
This ancient cave is located in the western edge of Ponta Delgada and extends for 1,650 metres. The tunnel is divided into three sections: Rua de Lisboa (or Secadores de Tabaco), Rua do Paim and Rua João do Rego. Researchers say that there is evidence to suggest that this tunnel could actually be five kilometres in length.
This stunning cave is full with amazing structures such as lateral benches, lava bridges, branching galleries, lava balls, stalactites, stalagmites, columns, spongy lavas, glaze and tree moulds. Due to the basalt oxidation the walls and ceiling of this incredible site are multi-coloured providing a beautiful array of oranges and yellows.
Mandatory to make a reservation ( by phone or email).