World's Most Astounding Sea Stacks and Their Look-A-Likes

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Here’s a list of impressive Sea Stacks from around the world. Some of these spectacular rock formations are popular for rock climbing.

Here’s a list of impressive Sea Stacks from around the world. Some of these spectacular rock formations are popular for rock climbing. Sea Stacks are also known as Vertical Rock Formations.

Sea stacks are geological landforms often vertical columns in appearance located in the sea near a coast which were isolated by erosion. These unique rock formations are formed through processes that involve time, wind and water. These stacks serve as nesting ground for seabirds.

Tri Brata – Russia

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These intricately-shaped rock formations called Tri Brata are located at the entrance of Avacha Bay. This scenic set of 3 stacks is regarded as iconic landmark of Petropavlovsk-Kamchatsky. The name is Russian which literally means “Three Brothers”.

Three Sisters – UK

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If Russia has Tri Brata, United Kingdom has Three Sisters. Three Sisters are sea stacks located at Eatonville, Nova Scotia. These picturesque rock formations are part of Cape Chignecto Provincial Park.

Faraglioni – Italy

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Faraglioni is a row of 3 distinctive sea stacks located off the Capri Island in the Bay of Naples. These rock formations were give their own names; Stella, Mezzo and Scopolo or Fuori.

The Needles – UK

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The Needles is a set of 3 unique chalk stacks located in the Isle of Wight, England. At the end of the formation is a granite lighthouse built in 1859. A needle-like rock formation named Lot’s Wife used to stand in the middle of these sea stacks. It collapsed in 1764 but the name has stuck although the remaining rocks are all short and not at all needle-like.

Old Man of Hoy – UK

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The spectacular Old Man of Hoy is a 137 meter high sea stack of red sandstone near Rackwick Bay on the west coast of Hoy Island in the Orkney Islands, Scotland. This dramatic sea stack and iconic landmark is also a popular rock climb.

Lange Anna – Germany

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This impressive sea stack looks like the Old Man of Hoy. This rock formation is a distinctive landmark of Heligoland, a small German archipelago in the North Sea. The name is German for Long Anna or Tall Anna.

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Here’s another picturesque view of Lange Anna.

Am Bouchaille – UK

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Another sea stack with resemblance to the Old Man of Hoy and Lange Anne is Am Buachaille. This magnificent-looking rock formation, famous for rock climbing, is a sea stack located close to Sandwood Bay in Sutherland. The name is Scottish Gaelic for ‘The Herdsman’.

Old Harry Rocks – UK

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The Old Harry Rocks are unique chalk stacks at Handfast Point in Dorset, England. This rock formation can be compared to the Old Man of Hoy in appearance. Other sea stacks nearby the Old Harry Rocks have already fallen. Old Harry’s original wife fell in 1896 and a new one had been formed by the breaching of a narrow isthmus.

Arched Rock – USA

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Arched Rock is an astounding rock formation located near Goat Rock Beach. This sea stack is formed by wave action. A portion of this geological landform had collapsed a few years back. This geological landform is located in California, USA.

Pierced Rock – Canada

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Pierced Rock or Perce Rock is a beautiful rock formation similar to the Arched Rock. Years from now, this massive geological landform will also collapse through the continuous action of the water.

Flowerpots – Canada

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Two impressive rock pillars stand in Flowerpot Island, an island in Georgian Bay in Ontario, Canada. The 2 sea stacks resemble a flowerpot, hence they are called Flowerpots. This lovely island is a famous tourist destination. The island has camping facilities and hiking trails.

Ko Tapu – Thailand

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Ko Tapu is a unique vertical rock formation located at Ao Phang Nga National Park. The name means "Nail Island". This 20 meter tall unique rock formation

that looks like the Flowerpot of Canada is sometimes called Khao Tapu or Nail Hill. It was featured in the film ‘The Man with the Golden Gun’ in 1974 and became a popular tourist destination since then, hence it is also called James Bond Island.

Natural Vase – New Zealand

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This distinctive rock formation that resembles a vase is located in New Zealand. It is one of the most impressive rock formations in the country.

Haystack Rock – USA

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Haystack Rock is a gigantic sea stack located in Oregon, USA. This 72 meter tall monolith is the world’s 3rd tallest intertidal structure. This rock formation, which is a refuge for many sea birds, is a popular tourist destination.

Stac an Armin – UK

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Stac an Armin of the UK is a sea stack similar to the Haystack Rock of the US. This 196 meter tall rock formation located in the St. Kilda archipelago is the highest sea stack in Scotland and the British Isles. It is a popular rock climb.

Rockall – UK

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Rockall is an example of a rock formation that is ‘now you see - now you don’t’ because it is often submerged completely. This extremely small and remote rocky islet is located in the North Atlantic Ocean. This rock island was once considered as “the most isolated small rock in the oceans of the world”.

Ball’s Pyramid – Australia

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Ball’s Pyramid is a remarkable sea stack located near Lord Howe Island, Australia. This 562 meter high rock formation in the Pacific Ocean is the tallest volcanic stack in the world. This stunning vertical rock formation is part of the Lord Howe Island Marine Park.

Sugar Loaf – USA

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All the rock formations included on this article are all sea stacks except for the Sugar Loaf. This 23 meter tall unique rock formation created by erosion is a landlocked rock or stack located in the interior of Mackinac Island in Lake Huron.

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