GoLeap Field School · 02 / 06 · Sahyadris · Himalaya
Walk further. Come back every time.
Trekking is walking, stretched over days, height and weather. What keeps it safe isn't strength: it's pacing, layers, water and knowing when to turn around. Above about 2,500 m the air itself changes, and every breath carries less oxygen than your body is used to.
- 500 m
- Most you should add to your sleeping height a day, above 3,000 m
- −6.5 °C
- Colder, roughly, for every 1,000 m you climb
- 7
- Leave No Trace principles
01 · Trekking
Altitude lab
Climb from the Sahyadris to Everest Base Camp. Watch the oxygen in each breath fall, the temperature drop and water boil cooler. It's why the Himalaya is walked slowly.
82%Oxygen per breath vs sea level
−11°CColder than sea level
95°CWater boils at
ModerateAltitude band
You'll breathe harder on climbs, but rarely feel ill.
Each yellow dot beside the hiker is oxygen in one breath.