Crater Lake Caldera

Crater Lake Caldera is a lake located in south-central state of Oregon. This lake is the main feature of Crater Lake National Park (Crater Lake National Park) and is famous for its deep blue color and clarity of the water. Lake partially fills the caldera (655 m) is almost 2148 feet within the established around 7700 (± 150) years ago by the collapse of the volcano Mount Mazama. There are no rivers flowing into or out of the lake, evaporation is compensated by rain and snowfall at a rate such that the total amount of water changed every 250 years.

The lake is surrounded by cliffs with a height of up to two thousand feet, and is equipped with two small islands and spectacular blue water, which makes this lake as a perfect place for photographers. And the lake is known for the "Old Man of the Lake", a full-sized tree which is now a stump that has been bobbing vertically in the lake for over a century. Because of cold water, trees have been rather well preserved.

The lake has a relatively high level of dissolved salts, total alkalinity, and conductivity. Average pH generally ranges between 7 and 8.

On June 12, 1853, John Wesley Hillman reported the first person of European descent to see what he named "Deep Blue Lake" in Oregon. The lake was named at least three times, as Blue Lake, Lake Noble, and finally Lake crater.

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The Great Slave Lake

The Great Slave Lake is the second largest lake in the Northwest Territories of Canada, North America's deepest lake at 614 m (2014 ft), and the ninth largest lake in the world. It is 480 km (300 miles) long and 19-109 miles (12 to 68 miles) wide. It covers an area of ​​27,200 km2 (10,502 sq mi) in the southern region. Volume ranged from 1070 km3 given (260 cu mi) to 1580 km3 (380 cu mi) and up to 2088 km3 (501 cu mi) making it the largest 10 or 12. Society only in the East Arm Lutselk'e, a hamlet of about 350 people, mostly indigenous Chipewyan Dene Nation and the winter now abandoned camp / Hudson 's Bay Company post, Fort Reliance.

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Matano Lake

Matano Lake is a lake located in South Sulawesi - Indonesia, precisely located at the southern tip of Sulawesi island in the city Sorowako, Luwu East. This lake has a depth of 600 meters (1969 feet), of which 382 meters above sea level. According to WWF, this lake is the deepest lake in Southeast Asia and the eighth deepest in the world.

Lake Matano is not a formation of some tributaries, but are formed from thousands of springs that will never experience drought. The water is very clear.

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