Wake up at 7:45 under grey skies. But no rain contrary to forecast. After breakfast, we drive to the region of Krafla volcano. We pass by a huge geothermic plant before arriving to the volcano. We decide to go and walk to the viti, the lake inside the crater, very similar to the one saw in Askja even if this one is smaller. We then walk to the parking lot where the day hike trail starts, while A. and P. bring one of the cars to the end ...

Wake up at 7 am. Sunny! We had breakfast on the terrace under a perfect blue sky. The group was ready to leave around 8:20. It was a 9 km long trail to reach the top of the caldera, 700 meters above us. Askja is indeed a large basaltic central volcano that forms the Dyngjufjöll massif. It is truncated by three overlapping calderas, the largest of which is 8 km wide and may have been produced primarily from subglacial ring-fracture eruptions rather than by ...