Altitude Sickness Awareness
It is possible for high-altitude illness to begin at 5,000 feet above sea level, but most often occurs above 8,200 feet (2,500 meters). Some popular extreme travel destinations such as Cusco, Peru (11,000 ft); La Paz, Bolivia (12,000 ft); Lhasa in SW China (12,100 ft); Everest Base Camp in Nepal (17,700 ft); and Kilimanjaro in…