Remember how I said Huayna Potosi was the hardest physical thing I've ever done in my life? Well, scrap that. Meet Volcano Licancabur, 5930 masl, who lives silently on the border with Chile and Bolivia. Volcano Licancabur and Laguna Verde, Bolivia We were lucky enough to meet a couple of Swiss geologists at the tour agency in Tupiza, Bolivia who wanted to combine their salt flat tour to Uyuni with an extra day to climb Licancabur. This was perfect for us because we had always wanted to climb a volcano (that actually resembles a volcano still) and we knew it would be cheaper in Bolivia than practically anywhere else in the world. Tupiza, Bolivia. We were a bit blase about the whole climb, certain that nothing could ever be harder than Huayna Potosi. Mistake! As my alarm went off at 12:30 am and I reluctantly peeled off my four layers of blankets, I seriously questioned myself about whether or not this is a 'holiday' we're meant to...