[2] The Caverna do Maroaga Environmental Protection Area (APA) was created by state decree 12.836 of 9 March 1990.

[7] There is a diverse vertebrate fauna including Guyanan red howler (Alouatta macconnelli), red-handed tamarin (Saguinus midas), jaguar (Panthera onca), margay (Leopardus wiedii), neotropical otter (Lontra longicaudis), giant otter (Pteronura brasiliensis), harpy eagle (Harpia harpyja) and Guianan cock-of-the-rock (Rupicola rupicola).

Agriculture is the main economic activity, including cultivation of banana, cassava, cocoa, rice, corn, cupuaçu and guaraná.

Other economic activities include cattle raising, logging, fishing and crafts for the Manaus market.

Commercially valuable tree species such as Hymenolobium petraeum, bay, cedar and mahogany are used in construction and furniture manufacturing.

[8] There is no security, surveillance, lodgings or restaurants near the waterfalls that form the main tourist attractions, and some environmental damage is caused by the visitors.