Excitement began to creep in as our 4WD bus cruised along the high Altiplano. Finally we were getting into the real Peruvian wilderness! The Altiplano is the name given to the vast high altitude plains of the Andes. It is a sparsely vegetated landscape, almost desert like, which is home to native Alpacas and Vicunas, amongst other wildlife. At one point the altitude rose above 4000m, we knew it when our heads started pounding. Our first experience of really high altitude and we made it out ok.