It's 10 pm, I'm at 4,850 meters at base camp, facing a Chimborazo climb, and I can't sleep. High altitudes tend to do that. I lay there, feeling the panic that little oxygen brings, and am writing ...

“Before going to Chimborazo, you also have to practice with crampons and axes because it’s a technical climb,” he adds. Valencia, like other Ecuadorian outfitters, offers softer adventures ...