Day 1 : Gangtok to Youksom night halt to hotel Day 2 : Youksom to Sachen, night halt at tent. Day 3: Sachen to Tshoka night halt at tent. Day 4: Tshoka to Dzongri night halt at tent. Day 5: Dzongri accomotise night halt at tent. Day 6: Dongri to Tshoka night halt at tent. Day 7: Tshoka to Youksom night halt at Hotel.