The Gruta do Zé Grande is a cave located in Serretinha, situated in the civil parish of Feteira, municipality of Angra do Heroísmo, in the Portuguese archipelago of the Azores. It is a lava tube created from the lava flows that extended to the coast, 60 metres (200 ft) long, 3.8 metres (12 ft) wide and 2.1 metres (6.9 ft) tall.[1]
References
^Inventário do Património Espeleológico dos Açores (in Portuguese), Angra do Heroísmo (Azores), Portugal: GESPEA-Grupo de Trabalho para o Estudo do Património Espeleológico dos Açores, archived from the original on 30 November 2012, retrieved 3 December 2009