The air starts getting quite thin, and you will be running short of breath. It's a tough, but a rewarding uphill climb to the rocky, craggy slopes at the camp. "Barafu" means, "ice" in Swahili, and it is extremely cold at this altitude.
There is a buzz of excitement in the air, as climbers anticipate the toughest day just ahead. The clouds move in and out, revealing the eroded peak of Mawenzi, rising from the plains below.