UNDERGROUND TOUR (Full Day Private Tour)

Unique Tour, for people for you that love to be in the nature, adventurers and explorers. Terceira Island, as volcanic origin presenting their morphological diversity, maintaining some common geological traits. Origin is associated with several volcanic eruptions, that occurred in the Alpine Orogeny; that remounts to the Tertiary Age to the present days, leaving an outstanding speleological heritage. So, we wish to share these several beautiful caves (100%natural - difficult level) not open to the public. Because the caves it`s in the nature and some with small areas, and we need to cross some farm fields, we recommend: Hiking boots * Pants and Rain jacket God balance and flexibility The only 2 places that are open to public is Volcano Algar do Carvão and Gruta do Natal. This places are only open Fall/winter on Tuesday, Wednesday, Friday and Saturday. In summer every day is open, also closed on expecial occasions as Christmas days or special date. For children after 12 years old.