#Celebrating 60's Attempting to Climb a 6000+ meter Mountain Peak. Markha valley trek Kang Yatse 2  Recently I attempted to climb a 6000+ meter Himalayan peaks in Ladakh in Mid October / Autumn 2021. Here is a account of the same. “We don’t stop hiking because we grow old.   We grow old because we stop hiking.”  – Finis Mitchell Day 1&2: Date 12/ 13 Oct 2021:  Flight from Mumbai to Leh and Acclimatization for high altitude. What is High Altitude? Altitude is defined on the following scale  High (8,000 - 12,000 feet [2,438 - 3,658 meters]),  Very High (12,000 - 18,000 feet [3,658 - 5,487 meters]), and  Extremely High (18,000+ feet [5,500+ meters]).  Most people can go up to 8,000 feet (2,438 meters) with minimal effect. What Causes Altitude Illnesses The concentration of oxygen at sea level is about 21% and the barometric pressure averages 760 mmHg. As altitude increases, the concentration remains the same but the number of oxy...