Jones Escarpment is a curving escarpment, extending for 10 nautical miles (19 km) in a southerly direction from the Riddell Nunataks and facing eastward, located 12 nautical miles (22 km) north-northwest of Mount Starlight in Mac. Robertson Land. It…
Jonassen Island is one of several Antarctic islands around the peninsula known as Graham Land, which is closer to South America than any other part of that continent.
Johnston Passage is a channel in Antarctica, running north–south and separating the Amiot Islands from the southwestern part of Adelaide Island.
Johnsons Glacier is the 1.8 km long and 2.3 km wide glacier on Hurd Peninsula, Livingston Island in the South Shetland Islands, Antarctica bounded by Charrúa Ridge and Charrúa Gap to the north, Napier Peak to the east, Mirador Hill to the southeast,…
Johnson Island is an ice-covered island, about 9 nautical miles (17 km) long and 5 nautical miles (9 km) wide, lying within the Abbot Ice Shelf, Antarctica, about 14 nautical miles (26 km) southeast of Dustin Island. The feature was observed and rou…
Johnson Glacier (74°55′S134°45′W) is a glacier flowing north between the McDonald Heights and Bowyer Butte to merge with the Getz Ice Shelf on the coast of Marie Byrd Land, Antarctica. It was mapped by the United States Geological Survey from surve…
The Jocelyn Islands are a group of islands lying between the Flat Islands and the Rouse Islands in the eastern part of Holme Bay, Mac. Robertson Land, Antarctica. The group, which is made up (going west-to-east) the Lee Island, Verner Island, and Pe…
Jireček Point (Bulgarian: нос Иречек, ‘Nos Jireček’ \'nos 'i-re-chek\) is the point on the northwest coast of Smith Island in the South Shetland Islands, Antarctica forming the south side of the entrance to Cabut Cove and the northeast side of the e…
Jester Rock is a small isolated rock in Marguerite Bay, Antarctica, lying midway between Emperor Island and the Noble Rocks in the Dion Islands.
The Jelbart Ice Shelf is an ice shelf about 40 nautical miles (70 km) wide, fronting on the coast of Queen Maud Land, Antarctica, northward of Giaever Ridge. It was mapped by Norwegian cartographers from surveys and air photos by the Norwegian–Briti…
The Jaynes Islands are a cluster of small islands located 20 nautical miles (37 km) west of the southwest end of Canisteo Peninsula, in the Amundsen Sea off Antarctica. They were mapped by the United States Geological Survey from surveys and U.S. Na…
James Nunatak (69°59′S62°27′W) is a conical nunatak, 410 metres (1,350 ft) high, standing 5.5 miles (9 km) south of Lewis Point on the east coast of Palmer Land, Antarctica. This feature was photographed from the air by members of the United States…
The Jago Nunataks (72°6′S164°40′E) are a cluster of closely spaced nunataks rising to 2,300 metres (7,500 ft), centred 3 miles (5 km) east of the south end of Neall Massif in the Concord Mountains of Antarctica. They were named by the New Zealand A…
The Jaeger Hills (75°30′S65°40′W) are a group of hills and nunataks, rising to about 1,000 metres (3,300 ft) and running northeast–southwest for 24 miles (39 km) between Matthews Glacier and McCaw Ridge on the Orville Coast of Palmer Land, Antarcti…
Jade Point (63°36′S57°35′W) is a gently sloping rocky point forming the southern limit of Eyrie Bay and the east extremity of Yatrus Promontory, Trinity Peninsula in Antarctica.
The Jacquinot Rocks (63°26′S58°24′W) are a group of rocks about midway between the Hombron Rocks and Cape Ducorps and 1 mile (1.6 km) off the north coast of Trinity Peninsula, Antarctica.
The Jacques Peaks (64°31′S61°51′W) are a set of peaks rising to 385 metres (1,260 ft) at the northwest end of Reclus Peninsula on the west coast of Graham Land, Antarctica. They were shown on an Argentine government chart of 1954, and named by the …
Jacobsen Head (74°2′S113°35′W) is an ice-covered headland forming the northeastly point of Slichter Foreland, Martin Peninsula, on the Walgreen Coast of Marie Byrd Land, Antarctica. It was first delineated by the United States Geological Survey fro…
Jacobsen Glacier (82°58′S167°5′E) is a glacier flowing east-northeast from Mount Reid, in the Holland Range, Antarctica, into the Ross Ice Shelf. It was mapped by the United States Geological Survey from Tellurometer surveys (1961–62) and Navy air …
Jacobs Peninsula is a massive peninsula, 5 miles (8 km) long and 3 miles (5 km) wide, extending east from Nash Range into the Ross Ice Shelf, Antarctica. The peninsula rises to over 800 metres (2,600 ft) and is ice-covered except for fringing spurs,…
Jacobs Nunatak (84°17′S159°38′E) is a nunatak on the west side of the MacAlpine Hills, Antarctica, just west of the head of Sylwester Glacier. It was named by the Advisory Committee on Antarctic Names for Willis S.
Jacobel Glacier (77°44′S148°17′W) is a glacier about 30 miles (50 km) long draining to the Sulzberger Ice Shelf, Antarctica, south of Hershey Ridge. It was named by the Advisory Committee on Antarctic Names after Robert W. Jacobel, holder of the Gr…
Jackson Tooth (80°25′S23°16′W) is a nunatak rising to 1,215 metres (3,990 ft) at the western end of Pioneers Escarpment, in the Shackleton Range, Antarctica.
Jackson Pond is a freshwater frozen pond midway between the terminus of Wright Upper Glacier and Anvil Pond in the Labyrinth, McMurdo Dry Valleys, Antarctica. It was named by the Advisory Committee on Antarctic Names in 2004 after J.K.
Jaburg Glacier (82°42′S53°25′W) is a broad glacier draining westward between the Dufek Massif and the Cordiner Peaks in the Pensacola Mountains of Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photo…
JOIDES Basin is a northeast trending undersea basin of the central Ross continental shelf.
Ivory Tower (85°28′S142°24′W) is a small peak rising to about 800 metres (2,600 ft), 1.5 miles (2.4 km) east of Fadden Peak, between the Harold Byrd Mountains and the Bender Mountains in Antarctica.
The Ivory Pinnacles (63°50′S59°9′W) are a pair of ice-covered peaks rising to 1,120 metres (3,670 ft) on the west side of Pettus Glacier, 9 miles (14 km) southeast of Cape Kjellman, in northern Graham Land, Antarctica.
Ives Tongue is a narrow tongue of land projecting from an island between Fold Island and the coast of Kemp Land, Antarctica.
Ives Ice Rise is an ice rise about 1 mile (1.6 km) long at the head of Weber Inlet, an ice-filled inlet situated between Bennett Dome and Berlioz Point on the Beethoven Peninsula, situated in the southwest part of Alexander Island, Antarctica. It wa…
Ivaylo Cove (Bulgarian: Ивайлов залив, ‘Ivaylov Zaliv’ \i-'vay-lov 'za-liv\) is the 500 m wide cove indenting for 900 m the east coast of Snow Island in the South Shetland Islands, Antarctica.
Ivan Vladislav Point (Bulgarian: нос Иван Владислав, ‘Nos Ivan Vladislav’ \'nos i-'van vla-di-'slav\) is a point on the north coast of Rugged Island off the west coast of Byers Peninsula of Livingston Island in the South Shetland Islands, Antarctica…
Ivan Alexander Point (Bulgarian: нос Иван Александър, ‘Nos Ivan Aleksandar’ \'nos i-'van a-lek-'san-d&r\) is the low rocky point on the southeast coast of Nelson Island in the South Shetland Islands, Antarctica forming the east side of the entrance …
Ituna Valley is a narrow ice-free valley between Isca Valley and Lemanis Valley in the Britannia Range, Antarctica. The valley opens northward to Hatherton Glacier, 8 miles (13 km) west-northwest of Derrick Peak. It was named in association with "Br…
Istind Peak (72°6′S2°23′W) is a partly ice-covered peak 1 mile (1.6 km) south of Tindeklypa, on the east side of Ahlmann Ridge in Queen Maud Land, Antarctica. It was photographed from the air by the Third German Antarctic Expedition (1938–39).
The Isrosene Nunataks (71°53′S26°35′E) are two nunataks 6 miles (10 km) west-northwest of Balchen Mountain, protruding through the western part of Byrdbreen in the Sør Rondane Mountains of Antarctica. They were mapped by Norwegian cartographers in …