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The Jökulsárlón lake provides outstanding views of the Ice Cap, which is a vast dome of ice that rises to a height of 3,000 feet (910 m). It spills to the lagoon 12 miles (19 km) away from the jagged glacier hill to the edge of the water line. The lake developed only about 60 years ago, when the entire area was less than 100 feet (30 m) of glacier, which was only 250 yards (230 m) from the Atlantic Ocean, and 2 miles (3.2 km) away from Vatnajökull. Vatnajökull was at the shore line of the ocean and dropped icebergs into the ocean. However, it started drifting in land rapidly every year leaving deep gorges en route, which got filled with melted water and large chunks of ice. These icebergs gather at the mouth of the lake’s shallow exit, melt down into smaller ice cubes and roll out into the sea. The lake is the lowest point in Iceland with land at 200 metres (660 ft) below sea level. In summer, they melt and roll down the channel into the sea. In winter the lake freezes and locks the icebergs in place. Ice water and soil make a unique ecological phenomenon. Jökulsárlón lake, the Icelandic “glacier lake”, is now reported to have doubled in size in the recent 15-year period. The huge blocks of ice that calve from the edge of Vatnajökull are about 30 metres (98 ft) high which fills the lagoon stocked with icebergs. Some icebergs appear naturally sculpted on account volcanic ashes from ancient eruptions that partly cover them.