With its enormous ancient icebergs thejkulsrln glacial lagoon is a natural wonder of iceland and a sight you absolutely cannot miss the lagoon produces a feeling of incredible tranquility as the 1000 1500 year old ice that has broken away from vatnajkull glacier silently drifts into the lake and slowly melts away the lagoon covers 18 square kilometres 7 square miles and reaches more than 248 metres 814 ft at its deepest point as you take a walk along the shore you may recognize th