Advice on training, equipment and planning ascents at high altitude.
A pulse oximeter can catch low SpO₂ before symptoms strike. Here's what the numbers mean at altitude and which readings should worry you.
From red blood cells to VO2max: the science behind altitude training and a practical guide for amateurs. Optimal altitude, minimum stay, European destinations, and real SpO₂ data.
How to choose the right pulse oximeter for trekking and mountaineering. Comparison of popular models, technical criteria, and fingertip vs. wearable for high altitude.
Complete checklist for high altitude mountaineering and trekking: layering system, technical gear, health kit and medications, navigation, and nutrition above 3,000 m.
Physical preparation for Mont Blanc (4,810 m): 12-week training plan, preparatory ascents, and oxygen levels to expect at the summit.
Practical guide to using a pulse oximeter at altitude: correct technique, SpO₂ interpretation, common mistakes to avoid, and the cold-correction rule.
Everything about acclimatization at high altitude: the climb high sleep low principle, the 300-500m rule, signs of good acclimatization and advanced pre-acclimatization strategies.