According to his plan, he and two other members spent nearly two months trying to reach to the target and return to Manaus (AM).
Paddling in a kayak, Angelo Corso went up to the Rio Negro against the current, a distance of approximately 1.1 kilometers to the municipality of São Miguel da Cachoeira. From there, his team walked to Pico da Neblina, the highest point in Brazil, which is 2993 meters high.
All this was documented and transformed in a video. See more: (Portuguese) http://angelocorso.com.br/