Jökulsárlón; literally "glacial river lagoon" is a large glacial lake in southeast Iceland, on the edge of Vatnajökull National Park. Situated at the head of the Breiðamerkurjökull glacier, it developed into a lake after the glacier started receding from the edge of the Atlantic Ocean. The lake has grown since then at varying rates because of melting of the glaciers. It is now 0.93 miles away from the ocean's edge and covers an area of about 6.9 sq miles. It recently became the deepest lake in Iceland, at over 814 feet, as glacial retreat extended its boundaries. The size of the lake has increased fourfold since the 1970s. It is considered as one of the natural wonders of Iceland.
The lake can be seen from Route 1 between Höfn and Skaftafell. It appears as "a ghostly procession of luminous blue icebergs". Jökulsárlón has been a setting for four Hollywood movies: A View to a Kill, Die Another Day, Lara Croft: Tomb Raider and Batman Begins, as well as the "reality TV" series Amazing Race. In 1991 Iceland issued a postage stamp, with a face value of 26 kronur, depicting Jökulsárlón.
The Jökulsárlón lake provides outstanding views of the ice cap, a vast dome of ice that rises to a height of 3,000 feet. It spills to the lagoon 12 miles away from the jagged glacier hill to the edge of the water line. The lake developed only about 60 years ago (1948 is mentioned), when the entire area was less than 100 feet of glacier, which was only 250 yards from the Atlantic Ocean, and 2 miles 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 blocks and roll out into the sea. The lake is the lowest point in Iceland, with land at 660 feet below sea level[citation needed]. In summer, icebergs 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[citation needed]. Jökulsárlón lake, the "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 98 feet high which fills the lagoon stocked with icebergs. Some icebergs appear naturally sculpted on account volcanic ashes from ancient eruptions that partly cover them.
Given the current retreat rate of Vatnajökull, it is anticipated that there will likely be a deep fjord where Jökulsárlón is now in the near future. This retreat is also posing a threat to the National Highway Route 1 of Iceland. The lagoon is 47 miles to the west of Höfn town and 37 miles east of Skaftafell. It is accessible by the ring road, Route 1, that goes across the lake, and where parking facilities have been provided for visitors. It is also known as the "Tourist Conveyor belt". While walking on the shore, isolated large blocks of icebergs can be seen on the black sand beach.
The tongue of the Breiðamerkurjökull glacier is a major attraction for tourists.
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