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An underwater exploration recently uncovered that the Almonda cave is the deepest in the country. Diver Armando Ribeiro has been the...

Consolidated report of the exploration activities of the submerged areas in Alviela cave system carried out in 2021. Report: 2021_Olhos...

Proceedings of the 18th International Congress of Speleology, Savoie, Mont Blanc 2022 where, in the symposium dedicated to Cave Diving,...

Following the speleological research project at the Alviela Olhos de Água spring, started in 2018 and carried out by the partnership...

Consolidated report of the exploration activities of the submerged areas in Alviela cave system carried out in 2020. Report: 2020_Olhos...

A short story on the Seacraft website

Footage of Armando Ribeiro's descent to a depth of 215 meters in the Gruta da Nascente dos Olhos de Água do Alviela, in October 2020,...

The Mindinho Cave is located at the south end of Polje de Alvados and is a ponor that leads to the source of Olho de Mira, located...

The mapping of the Alviela’s cave continues, forcing divers in depths never reached in Portugal, in an operation where experience,...

Consolidated report of the exploration activities of the submerged areas in Alviela cave system carried out in 2019. Report: 2019_Olhos...

Exploratory dive and test of equipment and rigging. Divers Armando Ribeiro and Rui Luís. Video by Armando Ribeiro.

Rare footage from the Gallery W (or west gallery). Divers Armando Ribeiro, Nuno Sousa, Manuel Leotte and Pedro Ivo. Video by Armando...

Footage from a descent to the deepest area of Gallery A (or north gallery). Divers Armando Ribeiro, Nuno Sousa, Rui Luís and Pedro...

Nice shots of the descent of the divers and a cave like no other we have ever dived in Portugal. An example of the excellent...

“Technical and technological challenges in Alviela spring exploration” by Armando Ribeiro, Pedro Ivo Arriegas and Rui Luís, article...

Armando Ribeiro set the cave diving record at 190 meters deep. Armando Ribeiro dove 190 meters deep into Alviela's cave. Accomplished the...

Consolidated report of the exploration activities of the submerged areas in Alviela cave system carried out in 2018. Report: 2018_Olhos...

On May 12th and 13th took place LusoTek’ 2018, the 3rd Portuguese Technical Diving Conference, held at the Cultural Center of Carnide,...