Canyoning expedition into the wild canyons between the peaks of the Himalayan eight-thousanders Annapurna (8091 m) and Manaslu (8163 m). The story of the great adventures of the largest canyons in the world - Chamje Khola - the world´s hardest canyon, classified in the highest rating scale V7 A7 Ex. Chamje Khola 2018 is not only a way for a great adventure, but also the story of a great friendship and another story shifting boundaries of human knowledge.