The Outcast Islands are two small islands, nearly 0.8 km (0.5 mi) apart, and a number of surrounding rocks lying 3.2 km (2 mi) southwest of Bonaparte Point, off the southwest coast of Anvers Island in the Palmer Archipelago of Antarctica. The Outcas…
Osogovo Bay (Osogovski Zaliv \o-so-'gov-ski 'za-liv\), "named after the Osogovo region in western Bulgaria", is bounded by the south coast of Rugged Island, by Astor Island, and by the west coast of the Byers Peninsula south of Laager Point, Livings…
Osmar Strait (Bulgarian: проток Осмар, ‘Protok Osmar’ \'pro-tok os-'mar\) is the 14.6 nautical miles (27.0 km) wide strait in the South Shetland Islands, Antarctica between Smith Island to the northwest and Low Island to the southeast.
Orville Coast is that portion of the coast of Antarctica lying west of Ronne Ice Shelf between Cape Adams and Cape Zumberge. It was discovered by the Ronne Antarctic Research Expedition (RARE), 1947-48, under Ronne, who named this coast for Captain …
Ortiz Point is an ice-covered point on the northwest coast of Discovery Bay, Greenwich Island in the South Shetland Islands, Antarctica named after Engineman Ortiz, member of the expedition.
Orpheus Gate (Orfeeva Porta \or-'fe-e-va 'por-ta\) is a 548 m high, 380 m wide, pass in eastern Livingston Island in the South Shetland Islands, Antarctica bounded by Pliska Ridge to the southeast and Burdick Ridge to the northwest, Huntress Glacier…
Organpipe Point is a prominent east-west trending headland rising to about 60 or 70 m on the northwest coast of Varna Peninsula, Livingston Island in the South Shetland Islands, Antarctica and forming the north side of the entrance to Charybdis Cove…
Orca Seamount is a seamount (underwater volcano) near King George Island and Cape Sherriff Field Station in Antarctica, in the Bransfield Strait.
Ongulkalven Island (69°1′S39°27′E) is an island lying 1 mile (1.6 km) west of Ongul Island in Lutzow-Holm Bay.
Ongul Island is an island 1.5 miles (2.4 km) long, which is the largest feature in the Flatvaer Islands lying just within the east side of the entrance of Lutzow-Holm Bay. Mapped by Norwegian cartographers from air photos taken by the Lars Christens…
Ongal Peak (Vrah Ongal \'vr&h 'on-g&l\) is a sharp glaciated peak on the Levski Ridge, Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. The peak was first ascended and surveyed on 21 December 2004 by the Bulgarian Lyubo…
Okol Rocks (Bulgarian: скали Окол, ‘Skali Okol’ ska-'li o-'kol) is a group of rocks in the north of Aitcho Islands group on the west side of English Strait in the South Shetland Islands, Antarctica.
The Ohio Range (84°45′S114°00′W) is a mountain range in the Transantarctic Mountains of Antarctica. It is about 48 km (30 mi) long and 16 km (10 mi) wide, extending WSW-ENE from Eldridge Peak to Mirsky Ledge. The range forms the northeast end of th…
Odbert Island is a rocky island, 2.4 km (1.5 mi) long, between Ardery Island and Robinson Ridge in the Windmill Islands of Antarctica.
Obelya Glacier (Bulgarian: ледник Обеля, ‘Lednik Obelya’ \'led-nik o-'be-lya\) is the 7.5 km long and 2.5 km wide glacier on the east side of southern Sentinel Range in Ellsworth Mountains, Antarctica, situated south of Remington Glacier, and flowin…
Ob' Bay is a bay lying between Lunik Point and Cape Williams. Lillie Glacier Tongue occupies the east part of the bay.
O'Brien Island is a small rocky island in the South Shetland Islands of Antarctica. It lies 4 km (2.5 mi) south-west of Aspland Island and rises to 540 m.
Northcliffe Glacier (66°40′S98°52′E) is a glacier descending to the coast immediately east of Davis Peninsula, in Antarctica.
Norsel Point is a rocky point on the north-west side of Arthur Harbour, on the western end of Amsler Island in the Palmer Archipelago of Antarctica.
Nordenskjold Outcrops (64°27′S58°58′W) is a rock outcrops on the west side of Longing Peninsula at the northeast end of Nordenskjold Coast. The feature extends south for 2 miles (3.2 km) from the vicinity of Longing Gap and is the type locality for…
Nordenskjold Coast (64°30′S60°30′W) is that portion of the east coast of the Antarctic Peninsula between Cape Longing and Cape Fairweather.
Nob Island is the largest of the Anagram Islands, lying on the south side of French Passage in the Wilhelm Archipelago.
Nigg Rock (60°43′S44°51′W) is an insular rock, 165 m (510 ft) high, lying 0.5 nautical miles (0.9 km) northwest of Route Point, the northwest tip of Laurie Island in the South Orkney Islands.
Newman Nunataks (66°40′S54°45′E)
Newman Island (75°39′S145°30′W) is an ice-covered island 15 miles long, lying in the Nickerson Ice Shelf on the coast of Marie Byrd Land, Antarctica. It was mapped from surveys by the United States Geological Survey (USGS) and U.S. Navy air photos …
Newell Point is the rocky point forming the northeast extremity of Robert Island in the South Shetland Islands, Antarctica and is a northwest entrance point of Nelson Strait.
Newall Glacier is a glacier in the east part of the Asgard Range of Victoria Land, flowing east between Mount Newall and Mount Weyant into the Wilson Piedmont Glacier.
Neptune's Bellows (63°0′S60°34′W) is a channel on the southeast side of Deception Island forming the entrance to Port Foster, in the South Shetland Islands.
Neck or Nothing Passage (62°28′16″S60°20′24″W) is a narrow passage leading from Blythe Bay between Iratais Point in the south end of Desolation Island and Miladinovi Islets, in the South Shetland Islands.
Nansen Ice Sheet (74°53′S163°10′E), or Nansen Ice Shelf, is a 30-mile long by 10 mile wide ice shelf. It is nourished by the Priestley and Reeves Glaciers and abutting the north side of the Drygalski Ice Tongue, along the coast of Victoria Land, An…
Möller Ice Stream (82°20′S63°30′W) is an Antarctic ice stream that drains an area of 66,000 square kilometres (25,000 sq mi) of the West Antarctic Ice Sheet as it flows north-northeast into the Ronne Ice Shelf to the west of Foundation Ice Stream.
…Musala Glacier (Lednik Musala \'led-nik mu-sa-'la\) on Greenwich Island in the South Shetland Islands, Antarctica is situated northeast of Targovishte Glacier, east-northeast of Zheravna Glacier and southeast of Fuerza Aérea Glacier. It is bounded b…
Mugla Passage (Bulgarian: проток Мугла, ‘Protok Mugla’ \'pro-tok 'mu-gla\) is the 1.35 km wide passage between Half Moon Island and the north coast of Burgas Peninsula on Livingston Island in the South Shetland Islands, Antarctica.
Mountaineer Range is the range of mountains lying between the Mariner and Aviator Glaciers in Victoria Land, Antarctica. The seaward parts of the range were first viewed by Ross in 1841, and subsequently by several British and later American expedit…
Mount Wade is a massive mountain in Antarctica. It is the most distinctive landmark in its region and the highest in its range, standing six kilometres northwest of Mount Campbell in the Prince Olav Mountains.
Mount VX-6 (72°38′S162°12′E) is a distinctive, sharp mountain, 2,185 metres (7,169 ft), standing 4 nautical miles (7.4 km) north of Minaret Nunatak in the Monument Nunataks in Victoria Land, East Antarctica.