Blue Ice Cave - This natural phenomenon is undeniably the most awesome and mesmerising in Iceland. As it forms naturally every winter under the glacier, our guides have to search for them every winter since their location is not the same. Throughout the winter, the shape, size, structure and position of Blue Ice Cave keeps changing as the ice melts during the day and freezes again during the night. Let our professional guide explain to you the how and what and why. Come and be awed by mother nature.