Hiking in Acaime Nature Reserve in central Colombia's enchanting Valle de Cocora. The hike passes from green grasslands and a warm climate, through dense, semi-tropical jungle, and finally to cool, breezy mountain vistas at around 3,000 meters. Crossing the rushing Rio Quindío in Acaime Nature Reserve in central Colombia's enchanting Valle de Cocora. The hike passes from green grasslands and a warm climate, through dense, semi-tropical jungle, and finally to cool, breezy mountain vistas at around 3,000 meters.