Iceland mountains volcanic eruption northern lights volcano. Its also expensive especially. Arctic adventures offers snowmobiling adventure tours on the amazing langjokull glacierwe have everything from an express glacier ride tours to multiday snowmobiling glacier expeditions. Reynisfjall is a 340 m high tuff mountain arising out of a volcanic eruption from under a glacier in the penultimate ice age near the village of vik. It is remote cold bleak windswept and ravaged by extreme seas and the occasional volcanic eruption or two.