The Espeleo Divulgação Journal is a periodical Open Access publication in the area of ​​Speleology. It was founded in 1982 by the Speleology Group of the University of Aveiro, aiming to fill a gap in knowledge and inventory of Portuguese speleological heritage.

The Espeleo Divulgação Journal is available in paper and electronic format and the target audience is the speleological community, scientific speleologists and the general public. 

The journal promotes the scientific and technical dissemination of the subsurface in general and natural caves in particular. The journal accepts original full articles, cave maps, reports of expeditions and explorations, as well as simplified or modified versions of scientific articles in areas relevant to the subsurface. Summaries and reviews of books, theses, and technical discussions will also be considered for publication, if within the scope of the journal. Articles are accepted in English, Portuguese and Spanish, always with an English abstract.

The main areas of Espeleo Divulgação Journal is the inventory and map description of speleological heritage, geology, archeology and biology of the subsurface, focused mainly in karst and pseudokarst caves, including the volcanic.