The Guanaroca Lagoon was formed by the river Arimao before flow into the Bay of Cienfuegos, it's a protected area that includes the Laberintos de los Naturales, Cayo Ocampo and other minor keys inside the bay. Guanaroca has 3000 hectares, and its name is linked to a beautiful aboriginal legend from Cienfuegos.
The environment is extremely attractive due to the large populations of mangroves and wildlife refuges of indigenous avifauna. A colony of more than two hundred pink flamingos add the magic charm that accompany important archaeological sites of past Aboriginal and subsequent Spanish colonization.
To the southeast of the beautiful Cienfuegos Bay, lies a brackish lagoon, where water pours from their Arimao river.
In the Laguna Guanaroca, Cienfuegos Bay, is set to mark a channel restoration project, which will help eliminate the high levels of sedimentation that exist in this wildlife refuge in the Caribbean region.
Cienfuegos is located in Wildlife Refuge "Laguna de Guanaroca-Yaguanabo-El Nicho" with an area of ??6,000 ha, containing among its greatest attractions about 65 plant species of high endemism, besides being flamingos nesting site and other seabirds.
It is estimated that in the lagoon there are over 170 varieties of birds, of the eight endemic, including the cartacuba highlight the tomeguin of pine and tocororo, which is the national bird of Cuba.
It should be noted also that the lagoon is the largest shrimp farm in Cienfuegos and is the ideal place to observe pink flamingos, sea Corua, pelicans, ducks and Florida manatees.