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10 Amazing Columnar Basalt Formations- Incredible Manifestation of Nature's Fury

Updated on July 25, 2013

Svartifoss in Winter, Skaftafell national park, Iceland

Svartifoss in Winter, Skaftafell national park, Iceland
Svartifoss in Winter, Skaftafell national park, Iceland | Source

Nature is great. On having a close look at the picture on the right one may get an impression that it has artificially been constructed. But this is an outcome of nature's fury which culminated into a unique geographical structure. There are many examples on this earth where the lava flown out of n volcanic eruption accumulated at some place and formed amazing column-like structures which human being now watch with awe and are developed into great geo-tourism resources.

Such geographical formations are known as Columnar Basalt and one needs to watch the video of National Geographic to understand the process and magnitude of such acts of nature.

These structures are subject to weathering since centuries and are likely to be eroded further.

Watch the fury of the Nature

Giant's Causeway
Giant's Causeway | Source

Formation of columns

When a thick and hot lava flow cools rapidly, there are contractions which result into formation of columns. Depending upon the rate of cooling different sizes of columns are formed which are polygonal in shape. Many a times these are hexagonal but other shapes with varying sides are also formed.

A portion of the symmetrical formations on the right gives an impression that polygonal giant joint columns have been constructed artificially, but, in fact, this an act of Nature.

#1. Giant's Causeway - The only World Heritage Site in Northern Ireland

Giant's Causeway, Northern Ireland
Giant's Causeway, Northern Ireland | Source

As a result of volcanic eruption about 50 to 60 million years ago, this UNESCO World Heritage Site is one of the most attractive sites for the tourists. Located in County Antrim, this natural beauty has around 40,000 interlocking hexagonal basalt columns, which according to the Irish legend is a causeway built by a giant.

The location is also popular for sea birds like razorbill, redshank guillemot and fulmar.

Process of formation of Columnar Basalt

Pick from Amazon - Giant's Causeway

The Giant's Causeway: And the North Antrim Coast
The Giant's Causeway: And the North Antrim Coast

The Giant's Causeway on Ireland's north Antrim coast is a place where myth and science meet. For over 300 years visitors have pondered the choice between giants and geology to explain this natural and cultural wonder. From tales of the Irish giant, Finn MacCool, and his building of the huge stone causeway, to the ancient and mysterious cooling of lava to form the basalt columns, The Giant's Causeway takes the reader on an illustrated tour of the history, folklore, people, geology, wildlife, and stunning landscape of this unique place. Today the Giant's Causeway is one of Ireland's most popular tourist attractions, with half a million visitors each year from all over the world.


#2. Cliff of Stone Plates - Ghenh Da Dia in Vietnam

Cliff of Stone Plates - Ghenh Da Dia in Vietnam
Cliff of Stone Plates - Ghenh Da Dia in Vietnam | Source

A rather picturesque place, with half in the sea and half above the level of sea, Ghenh Da Dia in Vietnam is a place which attracts tourists for its unique location. Dark black and light yellow columns and obliques in many thousands are spread over one square km like a beehive placed in fresh water. Some call it a pile of stone plates as the symmetry of these rock structures makes it a great gift of nature. This has resisted the blows of harsh blue water of the sea for millions of years.

Nature's way

I have not visited either of the two but It is believed that there are some striking structural similarities between formations at Ghenh Da Dia in Vietnam and Giant's Causeway in North Ireland though both are far far away from each other. Isn't it amazing?

#3. S-shaped Columnar Basalt in High Island Reservoir, Hong Kong


High Island Reservoir in Hong Kong is another unique example of how the lava can take different shapes under gravity. These hexagonal joint columns have taken s-shape before solidification and are striking feature at this geological site.

#4. Froðba, The Faroese Islands

Froðba, The Faroese Islands.
Froðba, The Faroese Islands. | Source

Columnar basalt at Froðba, Faroe Islands

Columnar basalt at Froðba, Faroe Islands
Columnar basalt at Froðba, Faroe Islands | Source

Some sparsely populated (285 in May, 2010) place like Frooba in Faroe Islands has a beautiful drive with 10 metre high columns along the Fro├░biarvegur Street on one side and sea on the other. One cannot imagine a better drive than this, with nature at its best on both sides of the road.

#5. Basalt at the Gangolfsberg, Rhön, Bavaria, Germany


Unlike other formations where structures are vertical, The Gangolfsberg in Germany has many which look as if these have been stacked like firewood.

#6. Akun island columnar basalt, Alaska, United States


The largest state in the United states by area but the least densely populated, Alaska has Akun Island having basalt and number of caves.

#7. Prismas Basalticos in Huasca de Ocampo, Hidalgo, Mexico

Prismas Basalticos in Huasca de Ocampo, Hidalgo, Mexico
Prismas Basalticos in Huasca de Ocampo, Hidalgo, Mexico | Source

Wider View of Prismas Basalticos


Basaltic Prisms, one of the finest geological formations at Santa Maria Regla in Hidalgo state, is a very popular destination in Mexico. A combination of 30 metres tall basalt columns lining a ravine and running of water in between from fountains makes it an amazing site. Apparently looking a difficult site, it has all the facilities like stairs, walkways and hanging bridges to facilitate tourists.

#8. Columnar Basalt at the Devil's Postpile in California, United States

Columnar Basalt at the Devil's Postpile in California
Columnar Basalt at the Devil's Postpile in California | Source

Madera County in California has a National Monument which includes a unique structure called Devil's Postpile. This tourist attraction is another columnar basalt formation which is about 60 feet high and more than half of these are hexagonal in shape and many columns are found in fragmented condition considered to be due to glacier flow down that area.

#9. Symphony of Stones at Garni Gorge, Armenia

 Garni Gorge, Armenia
Garni Gorge, Armenia | Source

A Close View - Symphony of the Stones


Garni is a village in Armenia and the Goght River there carved out a gorge which is eye-catching for any tourist passing by that area. The walls of the cliff exhibit columnar basalt which is called Symphony of the Stone because of the structural pattern of these octagonal columns. It also has a temple which was built in 1st Century AD and visiting all this require walking down to these spots.

#10. Hexagon pool, Golan, Israel


In the Central Golan Heights there is a beautiful natural pool with basalt columns of around five meters heights. The Pool has been named because of the hexagonal shape (Meshushim Pool, called locally) of the basalt pillars in the walls and is located in the Yehudiya Nature Reserve.

Your acquaintance with the Columnar Basalt

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  • srsddn profile image

    srsddn 3 years ago from Dehra Dun, India

    Alun, nature is great and its greatness is exhibited in many forms. Recently, I saw one picture of columnar basalt in India and I am sure people might not be even aware of its importance. Surprisingly, it has constructions around it and only some remains are visible. There may be more such places in other parts of the world. Thanks for visiting and supporting my Hub.

  • Greensleeves Hubs profile image

    Greensleeves Hubs 3 years ago from Essex, UK

    Of all of these sites, I only knew of the Giant's Causeway before reading this hub, so thank you for introducing me to all the others. These are really remarkable natural phenomena well worth seeing, and your hub does them justice with some beautiful photos. Voted up in several categories. Alun.

  • srsddn profile image

    srsddn 4 years ago from Dehra Dun, India

    April Dawn Meyer, thanks for visiting. Sometimes it is difficult to believe that natural phenomenon can result into so fantastic sites.

  • April Dawn Meyer profile image

    April Dawn Meyer 4 years ago from Belle Fourche, South Dakota

    All the volcanic formations are absolutely breathtaking. Thanks for sharing. Voted up :)

  • srsddn profile image

    srsddn 4 years ago from Dehra Dun, India

    Elias Zanetti, I agree with you. The best part is the end result of nature's fury and it is difficult to imagine. Thanks for visiting and liking the photographs. Have a nice day!

  • Elias Zanetti profile image

    Elias Zanetti 4 years ago from Athens, Greece

    Amazing photos! The most fascinating aspect about these formations of absolute natural beauty is to think the violent proccesses that led to their formation. Great hub about a unique phenomenon!

  • srsddn profile image

    srsddn 4 years ago from Dehra Dun, India

    ladydeonne, Nature is great and there so many natural things happening around which many of us may not be aware of. Columnar Basalt is one such example and there are many more like this. I will soon be publishing one more Hub related to this. Thanks for visiting and I am glad you liked the pictures. Have a good day.

  • ladydeonne profile image

    Deonne Anderson 4 years ago from Florence, SC

    Thanks for yet another educational and picturesque hub. Before reading this hub I did not know that such a thing as Columnar Basalt existed. Your photos are beautiful! I especially like #9.