The Azores are located in the Mid-Atlantic Ridge. The region is composed of nine volcanic islands, three of which provide excellent canyoning conditions. São Miguel, São Jorge and Flores offer a vast supply of beautiful canyoning options and itineraries, alll of which are unique to each island. The Island of Flores provides the most diversified itineraries, from large vertical descendents to simple tracks. The Island of São Jorge mainly features large vertical descendents.
There are also interesting spots on the islands of Santa Maria and Faial.
https://www.visitazores.com/en/experience-the-azores/canyoningText and Photos Source :