4
votes
1answer
48 views

fatigue on high altitudes

Time and again I read how climbers feel incredible fatigue on altitudes 7000+ m. Most of us have probably flown in airplanes on altitudes greater than that in pressurized passenger airplanes and ...
6
votes
3answers
196 views

Climbing Mount Teide from sea-level

Is it possible to climb Mount Teide from sea-level in 2 days for a reasonably fit person? Essentially, I was thinking of walking up to the Altavista mountain refuge on the first day (can that be done ...