Take a swim in waters warmed by geothermal currents while penguin watching!
Information about Pendulum Cove
Pendulum Cove is a small bay on the northern side of the natural harbor formed by the flooded cone of the live volcano that is Deception Island. One of the South Shetland Islands, Deception offers several visitor points, of which Pendulum Cove is definitely worth a visit.
The cove came by its unusual name as it was named by the British expedition of Henry Foster in 1829. The site here was used by the explorers to take magnetic measurements as well as studying the movement of pendulums this close to the south pole. It was one of these experiments that gave the cove its name.
If setting foot on the other sites on Deception Island doesn’t feel like you are standing on an active volcano, Pendulum Cove will remind you! In places here, water heated by geothermal activity can reach 160F. Your expert Antarctic guide will show you safe areas where hot water mixes with the cold Antarctic seawater to provide a most unusual polar “spa” experience. It’s warm while you are in the water, but you might regret it when it’s time to get out and get dry!
There are Gentoo and chinstrap penguins on the beach, and they don’t seem to mind sharing their warm water with human visitors - just remember that in Antarctica, wildlife has the right of way!
This part of the volcanic crater was hit hardest by the last eruption in 1969. There is a historic site here, the remains of Chilean research station Base Aguirre Cerda that was overwhelmed. The twisted, rusting fragments of the remains can be viewed from a safe distance. A somber reminder of the forces still at work under your feet.
You may well see scientists at work and come across instruments. These are part of the real-time monitoring of seismic activity on Deception Island and Pendulum Cove in particular.
Interesting facts about Pendulum Cove
A range of scientific activities are normally carried out in the area. The remains of the abandoned Presidente Pedro Aguirre Cerda Station (Chile), Historic Site and Monument No. 76, which was destroyed by a volcanic eruption in 1967 are a dramatic visual representation of the force of a volcanic eruption. The station was inaugurated on February 1955 and supported research activities on volcanology, climatology and meteorology. In 1965 a weather forecasting office was installed in the station to provide regular and permanent information for the activities in the South Shetland Islands area. Its operation ended violently on December 1967, when a volcanic eruption destroyed it.
Pictures of Pendulum Cove
Highlights Close to Pendulum Cove
Baily Head on Deception Island
Deception Island one of the South Shetland Islands off the Antarctic Peninsula. The island is actually the top of the cone (the caldera) of an active shield volcano that last erupted in 1969.
This flooded caldera makes a remarkable natural harbor, although Baily Head itself is on the eastern outer flank of the cone. The geography here makes a natural bowl in the landscape, with the long rocky beach leading up to a curving ridge above. To the north is an impressive glacier.
As you approach the beach at Baily Head you will begin to hear the amazing noise that a colony of over 200,000 chinstrap penguins can make! During the summer, the glacial melt stream allows them to create a penguin “highway” that the birds follow to and from the sea, hundreds moving back and forth at any time.
Your expert Antarctic guides will take you to the edge of the breeding groups, allow you to experience this remarkable sight without disturbing the birds.
Other regular visitors to the Head include Antarctic Fur Seals who regularly haul up on to the beach, with crabeater, elephant, Weddell, and leopard seals also sometimes being seen in the surrounding waters.
Overhead you will find skuas, petrels, and sheathbills, all of whom also like to nest in the sheltered rocks of Baily Head.
Barrientos Island is one of the Aitcho group of islands, a sub-set of the South Shetlands chain. It’s an ice-free island that was used as far back as the early 19th century by sealers and whalers, despite only a mile long, and less than a third of a mile wide. It was given its name in 1949 by a Chilean Antarctic expedition.
The northern coast of Barrientos is formed by steep cliffs about 230ft above the sea level. The east and west coasts are made up of black sand and pebble beaches. To the west, you can see impressive columns of basalt rock left over from the tectonic forces involved in the island’s formation.
Barrientos is very popular with penguins - and because it is so small sometimes it can feel pretty crowded! Gentoo and chinstrap penguins breed here, and in peak season one colony can end up right next door to the other, making for a seamless vista of penguin nests!
Other species that are commonly seen include fur seals (later in the year), as well as nesting colonies of southern giant petrels. Your expert Antarctic guides will ensure you get close enough for some amazing photos while staying far enough away that you don’t disturb the breeding creatures.
Elephant Island is one of the outermost of the South Shetland Islands. The roots of its name are argued to be one of two reasons. Either the fact that Elephant seals were seen hauled out here in large numbers by the first person to discover and map the island, Captain George Powell in 1821, or that the island’s shape is uncannily like that of a baby elephant’s head with trunk extended!
The island remained unexplored for many years thanks in part to its lack of resources (just small numbers of seals and penguins and no native plants) and partly because of its steep volcanic rocks, presenting few landing points.
However, in 1916 Elephant Island became immortalized as the scene of the beyond-all-odds survival story that was Ernest Shackleton’s ill-fated Antarctic expedition.
After their ship Endurance was lost to the treacherous ice in the Weddell Sea, the 28 crew were forced to make a perilous escape attempt. After months in open boats and stuck on drifting ice sheets, the team arrived at Elephant Island. Here they set up a base to stay at Point Wild while Shackleton and five members of his crew set sail in an open lifeboat for South Georgia - a journey of over 800 miles - to seek a rescue ship.
This stunning tale of endurance, determination, and the human spirit is brought home to visitors to Elephant Island by the Endurance Memorial at Point Wild. You can also see breathtaking views of the Endurance Glacier - named after Shackleton’s lost ship - as well as the stunning rocky terrain and its Chinstrap Penguins and seals.
Hannah Point is a dramatic peninsula on the south coast of Livingston Island in the South Shetlands. Its ridge forms the sides of two bays - Walker Bay and South Bay. The rocks climb steadily upwards to sheer cliffs and knife-edged ridges more than 160ft above the sea level. There are frequent rock falls, and your guides will point out the vein of jasper - a red mineral - that cuts through the cliffs here.
The area was used for hunting by 19th-century sealers, and the British Antarctic Survey has a base camp here known as Station P for the winter of 1957.
The Hannah Point area is rich with antarctic wildlife. Elephant seals haul out and travel to a clifftop wallow pool where they can oversee their domain. Antarctic fur seals are also frequent visitors. Gentoo and Chinstrap Penguins breed here (and a few Macaroni Penguins) and Kelp gulls are almost always wheeling overhead.
Other bird species you will encounter are snowy sheathbills, blue-eyed shags, giant petrels, and skuas. There is sometimes such an abundance of wildlife here that you may have to wait for a suitable gap to open on the beach before you can land!
There s also an elephant seal haul out close to one of the paths and it is important to listen to the guides about the approach and not to disturb the resting seals.
Northeast beach Ardley Island
Ardley Island is a small, rocky island about a mile long. It’s in Maxwell Bay, just off the coast of King George Island. It was first charted in 1935 by a British expedition but was mistaken for a headland. It was not until aerial surveys many years later that it was reclassified as an island.
Ardley Island is an active summer research station, and you will often see scientists and researchers at work here. The huts that you can see from the beach are part of the research station and not able to be visited.
The landing on the beach is just below the lighthouse, a distinctive feature that you will have spotted from out to sea. This gently sloping cobble beach is the only place that visitors can arrive on Ardley.
Visitor numbers are restricted due to the importance of the island as a breeding site for antarctic bird species.
During your excursion on the island, you will see a large gentoo penguin colony, as well as lesser numbers of Adelie and chinstrap penguins. You can also see southern giant petrels, Wilson's petrels, black-bellied storm petrels, Cape petrels, skuas, and Antarctic terns. The northeast beach of Ardley Island is a “must-visit” site for bird watchers!
Penguin Island was first recorded in 1820 during a British expedition. It was so-named because of the vast numbers of penguins that could be seen along its shoreline from the ship as it passed by.
Penguin Island lies just off the south coast of the much bigger King George Island. It’s ice-free and is oval-shaped, some 1 mile long. It’s one of the smaller South Shetland Islands and it’s also known as Georges Island, Île Pingouin, Isla Pingüino, and Penguin Isle in various books and charts.
Its standout geological feature is the 560ft tall Deacon Peak - a volcanic cone that is thought to have last been active about 300 years ago.
Penguin Island is an internationally-recognized important area for birds. As well as colonies of Adelie and Chinstrap penguins, the island is also home to large breeding colonies of southern giant petrels, Antarctic terns, and kelp gulls.
You can often see Weddell seals and sometimes southern elephant seals on the beaches here, too.
For those feeling fit, there is a marked path that will take you up to the top of Deacon Peak. This offers unparalleled views over the whole island and beyond across King George Bay. Do note, however, that this part of the Antarctic is known for its quickly changing weather, so if the opportunity to take this walk safely presents itself, take it!
Point Wild is an unassuming, narrow sand and rock point, with steep tidewater glaciers and cliffs on its edges. It lies on the north coast of Elephant Island (part of the South Shetland Islands) 7 miles west of Cape Valentine.
Despite its lack of grandeur, this small bit of land has a starring role in history - it was named after Frank Wild, the leader of the survivors of Sir Ernest Shackleton's shipwrecked expedition. 15 men camped here and managed to survive for four months of Antarctic winter before they were rescued by a Chilean naval ship in August 1916.
There is a memorial commemorating the captain of the rescuing vessel with an impressive bronze bust to be found here, as well as several inscriptions. You will often find members of a colony of chinstrap penguins “guarding” the monolith!
The waters around Point Wild are famous for “snagging” icebergs on their hidden underwater rocks, and there is always a chance to witness the nearby glacier carving into the waters. Due to the sea conditions, landing is not always possible here, but Zodiac cruise or a close passage by the ship will let you marvel at the isolation and inhospitable conditions that Shackleton’s team endured. You can also admire the amazing glaciers and stunning geology of the area around the point.
It is also the site of a Chinstrap Penguin colony and the surrounding waters can be great for whales and seabirds like the Black-browed Albatross.
South Shetland Islands
The South Shetland Islands are a group of rocky islands only about 75 miles north of the Antarctic Peninsula.
Several countries have research stations on the islands, with most being found on the largest island, King George Island. It’s here, at the Chilean Base Presidente Eduardo Frei Montalva, that there is a 4000ft runway that sees over 200 flights a year bringing people and supplies to and from the Islands and wider Antarctica.
Most of the islands are covered in ice for much of the year, but they are still home to large populations of Elephant and fur seals, as well as huge numbers of penguins and Antarctic sea birds, being the most diverse area in the whole 'peninsula' region. Frequent encounters here include gentoo, chinstrap (often one of the key species for landings in the South Shetlands), a few Adélie penguins colonies, and the odd Macaroni penguin pair or lone bird. Also Weddell, crabeater, and leopard seals, as well as and orca, humpback, and minke whales, with fin whales, and even southern bottlenose Whales, see on the approach close to the drop off to deeper waters.
Black-browed Albatross do not breed but can be seen, usually offshore in the Southern ocean, but also in the Bransfield Strait.
Deception Island is the eroded cone of an active volcano, that last erupted in 1967. It sits in the Bransfield Strait and is part of the South Shetland Islands. Telefon Bay is on the northwest coast of the volcano and is overlooked by Telefon Ridge.
Despite the name, the bay has nothing to do with communications! It was first mapped in 1908 and was named after a Norwegian ship, the SS Telefon, that had been damaged and was put aground here for repairs later that year before being refloated.
The backdrop to the beach is dramatic. In the rising land behind it, you will see a number of volcanic craters, some of which are up to 150ft deep - although gradually being filled in with ice and sediments. To the east and west are cliffs made of ash that were the result of activity in the 1967 eruption that impacted Telefon Bay.
You will be allowed to roam freely here, provided you stick to the main paths and give any penguins a wide berth! You will often see scientific equipment placed around the bay that is used for monitoring any seismic disturbances - it will be clearly marked to help you avoid it.
The shallow beach here is a favorite place for seals to haul out, and you can often encounter both Weddell and fur seals as you come in for a landing.
Turret Point is well-named! As you approach this part of King George Island you will see the unmistakable rock “stacks” which made this the obvious name to be chosen when the point was first mapped in 1937 by a British exploration mission.
King George Island is the largest of the South Shetland Islands, and Turret Point is on its south coast. Its remarkable landscape is formed by the glacier that is the backdrop to the gently sloping landing beach here. Its impressively gnarled and crevassed front makes a stunning backdrop to the wildlife activity here.
The beach is extremely popular with Antarctic bird species. Two species of penguin breed, Chinstrap and Adelie Penguins, and the area is frequented by giant petrels, Antarctic 'blue-eyed' shags, and kelp gulls. Elephant seals can often be seen wallowing in the shallows here, and fur seals are numerous in the latter part of the season.
You will be able to walk up to the face of the glacier, and your expert guides will lead you along the melt stream bed, to avoid trampling the fragile Antarctic flora that grows here at Turret Point.
Penguin Island, another popular landing, is just to the south.
A very popular destination, Whalers Bay is a small natural harbor on Deception Island, one of the South Shetland Islands. An active volcano, the crater forms a natural sheltered inlet that was historically used by sealers and then whalers from the 1820s. The geography makes it a perfect place for ships to shelter in rough weather, and Whaler’s Bay contains some of the most significant whaling artifacts and remains to be found in the whole of Antarctica.
As your ship sails through the narrow “break” in the volcanic caldera known as Neptune's Bellows, the wide, circular beach of Whaler’s Bay is found to the right. The beach runs uninterrupted for one and a quarter miles and was used as a runway in the 1950s and 1960s when the site was the main hub of British Antarctic air movements. The hangar that was built in 1960 can be visited at the northern end of the beach where you can also see a roller that was used to maintain the runway.
At the southern end of the beach are large, rusted oil tanks, and behind them are buildings from the period 1906 to 1931. There was a significant whaling industry here, with the sheltered and shallow beach making it an ideal place to land whale carcasses and process them.
While you explore all this remarkable human history, please remember that you are standing on an active volcano! The instruments you may see around the beach in the Whalers Bay area are seismic monitors, and the island is monitored for activity 24 hours a day. The last eruption was in 1969, and this was responsible for some of the mudflows and damage to the buildings and metal tanks that you see here. It creates a very eerie derelict industrial landscape, in Antarctica, even bleaker with the black volcanic cinder.
No penguins breed, but small numbers of Gentoo and Chinstrap Penguins turn up on the beach and they can be surprisingly inquisitive. Later in the season you might encounter fur seals who have hauled out to rest and watch the humans. Other birds to look out for include Cape Petrels, giant petrels, skuas, Antarctic terns, and Kelp Gulls, that take the chance to feed on the krill and other prey stunned in the hot waters.
Guests often take the polar plunge here with the warmer layer of water with the heat from the steaming volcanic sands. There is also the walk up to the viewpoint at Neptune's window.
This wonderful natural harbor is surrounded by glaciers. It’s an almost perfect safe anchor for ships, which is why it was used by sealers for many years. You enter Yankee Harbour via Shopski Cove, which is between Spit Point and Glacier Bluff on Greenwich Island. You can also look across McFarlane Strait towards Half Moon Island and glaciers and the snow cap across the peaks of Livingstone Island, one the most spectacular islands in the South Shetlands.
Yankee Harbour was used by both American and British sealers from the 1820s onwards. The British called it Hospital Cove. There’s a commemorative plaque here that celebrates Captain Andrew MacFarlane who explored much of the Antarctic Peninsula in 1820.
The other great attraction here is the large Gentoo penguin colony, with over 4,000 breeding pairs making Yankee Harbor their home.
The landing beach here is terraced, and there is a melt-pool from the glacier on the eastern end. Depending on the conditions and breeding status of the penguins, some longer walks in the area are possible along the curved gravel spit.
As well as the penguins, skuas often nest here - their feathers camouflaging them against the rocky ground. Your guides will make sure you don’t step on any accidentally!