Expect to pay 2 euros to enter. It's worth a visit but not a must see. Good luck with the restrooms.
Caldeira Velha is a protected area classified as a Natural Monument of Sao...
Caldeira Velha is a protected area classified as a Natural Monument of Sao Miguel Natural Park and a Geosite of Azores Geopark.
This space includes the presence of two natural swimming pools: one with a waterfall and the water is around 26°C and another one around 38°C.
As a protected area of the Sao Miguel Natural Park you will find a Environmental Interpretation Centre, with information about the natural history of the Azores: volcanic origin of the islands, geodiversity, biodiversity and geothermal power plants, and thermalism. You can ask your tour at the Environmental Interpretation Centre of Caldeira Velha and enjoy a relaxing bath in the natural pools.