The nature reserve has over 7000 acres of forests located in three states: Antioquia, Risaralda and Caldas. This was the first conservation project established by THC which began in 2008. Protecting both the San Juan Antioquia and San Juan Bravo Chocó river watersheds, the biodiversity value of this area is incalculable.
Up to date, this area has yielded a plethora of new species for science including amphibian, reptiles, mammals and plants.
New species of Andean Poison Dart Frog
In 2013 a new species of andean poison dart frog, Andinobates cassidyhornae, was described.