They camped at an altitude of over 14,000 feet at the end of the road on Illiniza Sur, in Ecuador.
They had to hike the remaining 3,000 feet by foot the next morning.
Levi said:
"On our way up, we ran into a guy pushing his mountain bike, with skis and ice axes on his back. He was going to climb the more technical Illiniza Norte peak, ski down the snow field, and mountain bike down the rest. That meeting was humbling for us."