The impressive estuary is dotted with numerous small islands where fruit and vegetables for Guyana’s capital Georgetown are grown. Then, it’s time to travel upstream into the endless wilderness, finally reaching the breathtaking Kaieteur Falls.

From Kaieteur Falls, the journey to the legendary source of Essequibo River continues. However, it soon proves to be a dangerous adventure - even for the experienced team with countless rapids and waterfalls along the route.

The teams' mission is to discover the Essequibo's source which is hidden deep in the Acarai Mountains on the border to Brazil. However, the last leg turns out to be the most challenging.