How High Did Alexander Humboldt Climb On A Mountain?

How High Did Alexander Humboldt Climb On A Mountain? His reputation as a scientist, however, spanned a lifetime. By the time he made his attempt on Chimborazo, Humboldt had already climbed several volcanoes. He climbed the first, 3,718m Pico del Teide on Tenerife, during the voyage out to South America. Which mountain did Humboldt climb?