What to do if someone gets hurt or sick on Iztaccihuatl or Pico de Orizaba. Altitude illness, cold, bleeding, CPR and lightning, explained by mountain guides.
Which boots work on Pico de Orizaba's glacier, which don't, and whether a La Sportiva Aequilibrium ST GTX is enough, from the guides who fit your crampons.
Why climbs on Mexico's volcanoes start so early. How we read lightning risk (CAPE) in two forecast models and work back to your pickup time. Rain is fine.
A guide's own heart rate data on zone 2 training for mountaineering. Why every easy run was zone 3, what changed under 135 bpm, and how to use it for Orizaba.