Basalt Columns & Pillars in Iceland



Iceland has one of the most unique landscapes in the world. The fiery wrath of the island’s volcanoes mixed with the landshaping movement of icy glaciers has created dramatic, breathtaking scenery. It’s every geology lover’s dream. And basalt columns in Iceland are one of the country's natural wonders that you absolutely have to check out. There are dozens of places where you can view these magnificent rock formations in diverse and various forms.


Iceland geology


Iceland is known as the Land of Fire and Ice due to the contrasting elements present on the island. We are located far up in the North Atlantic Ocean close to the Arctic Circle, so the country has several glaciers. At the same time, we rest on the plate boundary of the North American and Eurasian tectonic plates. This creates our own version of the Ring of Fire and it means we have a lot of volcanic activity. This unexpected combination makes for a mix of natural forces that you won't find anywhere else on the planet.


Iceland basalt columns: How they are formed


Basalt is a volcanic rock formed from the superheated magma that emerges as lava during an eruption. The iron and magnesium-rich basalt lava cools and contracts very quickly once exposed to the surface air and hardens as it solidifies.


Iceland basalt columns are the result of this rapid cooling process that changes the chemical makeup and appearance of the lava. Basalt volcanic rock has a special geometrical shape due to this change in composition.


These basalt pillars and hexagonal rock formations you see have a special feature called columnar jointing. This is what gives each basalt column their unmistakable hexagonal shape and makes them so neat to look at.


It's the same natural process that gives the Giant's Causeway in Ireland its rugged appearance. 


The geological wonder of basalt rocks has even inspired Icelandic architecture. You can see Mother Nature’s influence in the facades of buildings like Hallgrímskirkja church in Reykjavik and Akureyrarkirkja in Akureyri. While some think they are meant to look like the organ inside, they're actually supposed to be reminiscent of a rock formation. The architect wanted to recreate the look of Iceland basalt columns on the front sides of these imposing buildings.


Hexagonal rock formations and basalt pillars: Where to see them in Iceland


You'll find basalt rock formations all over Iceland due to the high amounts a volcanic activity that we experience. We truly are a country whose landscape is shaped by natural elements. These are some of the best places to see our unique geology and Iceland hexagonal rocks.


Svartifoss: The black basalt column waterfall


Iceland is known for the breathtaking beauty of its waterfalls. In fact, the country has over 10,000 cascades. One of our most spectacular is Svartifoss waterfall, located in the Skaftafell section of Vatnajökull national park. It's known as Iceland's black waterfall not because of the color of its water, but rather the dark basalt pillars that make up the cliff face. 



The columns look as though they are precariously hanging like some large, natural pipe organ that could drop at any moment. You'll notice that some of the basalt column formations have broken off and fallen to the ground below.


When making your way along the South Coast in your Iceland car rental, Svartifoss is an easy detour from the Ring Road


The basalt columns at Reynisfjara beach


While many countries are famed for their tropical beaches, that's not the case with Iceland. Instead, we are known for our black beaches filled with dark volcanic sand. Reynisfjara beach is perhaps one of our most popular attractions, and for good reason.


It not only has the black sand beaches that Iceland is so famous for. It also features basalt rock formations with some pretty spectacular terrain and sweeping panoramic views. As one of the best basalt column places in Iceland, it's no wonder Game of Thrones producers chose it as a filming location.


The sea stacks and basalt columns of the Reynisfjara black sand beach are probably some of the most photographed rock formations in the world. They are a beautiful, highly unusual geological phenomenon that you really won't find anywhere else in the world. The unique combination of the hexagonal basalt columns set against the backdrop of black volcanic sand makes for quite a sight.


You'll actually find two points of interest along the shoreline here. The first is the basalt rocks on the cliffs close to the water. The second is the group of tall Iceland rocks of the Reynisdrangar basalt sea stacks just off the shore.


Iceland hexagonal rocks at the Gerðuberg basalt column cliff


Along Snaefellsvegur road in the Snaefellsness (Snæfellsnes) peninsula, you'll pass one of the most massive examples of basalt columns in Iceland. You can actually see the basalt column cliff from the roadside as you drive towards Snaefellsjökull. The Gerðuberg basalt column cliff is made up of hundreds of basalt column stacks. 


Be careful not to be distracted by this fascinating sight. Find a place to pull over so that you can get out to take pictures and see these Iceland hexagonal rocks up close.


The stunning Stuðlagil canyon in Jökuldalur


This is definitely one of the most picturesque places you'll encounter in Iceland and you definitely want to bring your camera with you. You'll be hypnotized by the turquoise blue river surrounded by a fortress of basalt pillars on not one, but two sides. This newly discovered treasure of Iceland geology is a feast for the eyes and will leave you speechless. Much like with the Northern Lights, it's amazing to think that something like this was completely created in nature.



The walking trail between Arnarstapi and Hellnar


Another great place to see this naturally occurring geological formation is along the hiking trail from Arnarstapi to Hellnar. These two quaint fishing villages on the Snaefellsnes peninsula are a common overnight stop-off point for travelers exploring the area in depth. Many visitors walk the path between the two villages in order to observe the seaside column formations. There are also many seabirds along the cliffs and it makes for a really lovely, non-strenuous hike in the evening. 


Stuðlafoss: Another basalt column waterfall


Stuðlafoss is another basalt column stack waterfall, similar to Svartifoss. It's a recently discovered and therefore lesser-known Icelandic highlight close to the hidden Stuðlagil canyon in Jökuldalur valley. The waterfall, canyon, and valley are all closed to the Ring Road, so visiting the unparalleled rugged beauty of Stuðlafoss is easy. Be one of the first to explore this geological gem in East Iceland.


More stunning basalt Iceland waterfalls: Aldeyjarfoss


The mighty Aldeyjarfoss waterfall is another cascade featuring basalt rock. But it looks completely different than either Svartifoss or Stuðlafoss. The former falls feature a cliff face made entirely of hexagonal rocks. Aldeyjarfoss, by contrast, has two types of Iceland rocks along its craggy surface. This creates an interesting visual effect and it's not something you will find in many places. Additionally, the strong, gushing flows of the glacial river that feed this waterfall add to its power and majesty.



Hljóðaklettar (Echo Cliffs)


Hljóðaklettar, much like Gerðuberg, is another Icelandic cliff made from basalt rocks. This particular cliff shares the same characteristics as Aldeyjarfoss in that it has columns topped by an uneven surface of more rock. Something distinctive about this geological attraction is that much of the basalt has broken off. This gives it the interesting appearance of a rock quarry with stones just waiting to be hauled away.


Kálfshamarsvík: A small cove with columns underfoot


While the majority of Iceland's hexagonal basalt columns are vertical, there are a few horizontal specimens. At Kálfshamarsvík bay in North Iceland, you'll find a cove with long, hexagonal basalt columns that you can walk on. Much like on the path between Arnarstapi and Hellnar, horizontal rocks jut out into the water. They make for a sort of volcanic, naturally-occurring cobblestone that has a really cool effect.


Basalt columns in Iceland


I hope you have time to stop and see some of the spectacular sights and impressive basalt column attractions during your road trip. Iceland is a geological wonderland and the abundance of natural beauty with which we are blessed will leave you in awe. Be sure to check out some of our most famous hexagonal rock formations and take lots of pictures of Iceland geology at its finest.

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