6 Terrifyingly Deep Holes From Around The World That Are Mind Boggling

The wonders of planet earth never cease to amaze us. The Earth is now 4.54 billion years old with a population of 7.125 billion people.

Earth has gone through inexplicable changes throughout its life and who knows what else will change.

With that being said, here are some of the deepest holes on planet earth made in various ways.

1. Dean’s Blue Hole, Long Island, Bahamas – 660 ft deep

Dean’s blue hole is know as the world’s deepest salt water blue hole. This thing begins below sea level and plunges 663 ft into the bay west of Clarence Town.

2. Ice Cube Neutrino Observatory Hole (1 of 86) – 1.5 miles deep

Dug using heated pipes through frozen ice, Ice Cube Neutrino is used by researchers to observe neutrinos through the South Pole Telescope.


3. Great Blue Hole, Belize – 407 ft deep

This Great Blue Hole is a large submarine sink hole off of the beautiful coast of Belize. It’s believed that the Great Blue Hole formed almost 15, 000 years ago


Made famous by Jacques Cousteau who declared it as one the the best scuba diving areas in the world

4. Glory Hole, Monticello Dam, California – 304 ft deep

This man-made hole in Napa County, California was constructed between 1953 and 1957 as part of the Solano Project. It’s technically known as the Morning Glory Spillway but is locally known as Glory Hole. As the dam reaches capacity, the spillway swallows water at 48,800 cubic feet per second. It’s definitely not a safe swim.

5. Kola Superdeep Borehole in Russia

In terms of depth, this would be the deepest borehole in the world. Drilling was stopped in 1992 after hitting approximately 49,000 ft as the temperatures became unfeasible. It was said that the Kola borehole penetrated about a third of the way through the Baltic continental crust, estimated to be around 22 miles deep, reaching rocks of Archaean age (greater than 2.5 billion years old) at the bottom.

6. Siberian Hole

This was the hole that mysteriously appeared in Russia. It measured up to 300 ft deep and was believed to have formed due to rising temperatures. The darkening of the rim is evidence of heat during a possible explosion during the enormous crater’s creation.


“They found the crater – around up to 300ft deep – has an icy lake at its bottom, and water is cascading down its eroding permafrost walls,” said The Siberian Times.


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