Jacobsen Valley
Jacobsen Valley is the shallow valley in Vinson Massif
Vinson Massif
Vinson Massif is the highest mountain of Antarctica, lying in the Sentinel Range of the Ellsworth Mountains, which stand above the Ronne Ice Shelf near the base of the Antarctic Peninsula. The massif is located about from the South Pole and is about long and wide. At the highest point is Mount...

, Sentinel Range
Sentinel Range
The Sentinel Range is a major mountain range situated northward of Minnesota Glacier and forming the northern half of the Ellsworth Mountains in Antarctica. The range trends NNW-SSE for about and is 24 to 48 km wide...

 in Ellsworth Mountains
Ellsworth Mountains
The Ellsworth Mountains are the highest mountain ranges in Antarctica, forming a long and wide chain of mountains in a north to south configuration on the western margin of the Ronne Ice Shelf. They are bisected by Minnesota Glacier to form the northern Sentinel Range and the southern Heritage...

, descending northwards from the summit of Antarctica Mount Vinson (4892 m). It is 3.5 km long and 1.2 km wide, and is bounded to the west by Branscomb Peak and Galicia Peak
Galicia Peak
Galicia Point is the peak rising to 4500 m in Vinson Massif, Sentinel Range in Ellsworth Mountains, Antarctica, and surmounting Jacobsen Valley to the east and Branscomb Glacier to the north and west....

, and to the east by a minor ridge running between the east side of Mount Vinson to the south and Goodge Col
Goodge Col
Goodge Col is a broad ice-covered col at 3600 m elevation between the south side of Mount Shinn and the Vinson Massif in the Sentinel Range, Ellsworth Mountains in Antarctica. The col is relatively level, 1.5 miles wide, and is easily identified from positions east and west of the range...

 to the north. Draining the valley is a glacier tributary to Branscomb Glacier
Branscomb Glacier
The Branscomb Glacier is an Antarctic glacier, 9.5 km long, flowing west from the north-west side of Vinson Massif into Nimitz Glacier, in the Sentinel Range of the Ellsworth Mountains...

, part of the classical route to the summit Mount Vinson.

The valley is named after the Norwegian
Norwegians constitute both a nation and an ethnic group native to Norway. They share a common culture and speak the Norwegian language. Norwegian people and their descendants are found in migrant communities worldwide, notably in United States, Canada and Brazil.-History:Towards the end of the 3rd...

 woman pioneer of Antarctica Solveig Gunbjørg Jacobsen (1913–1996), the first native child of the Antarctic region
The Antarctic is the region around the Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica and the ice shelves, waters and island territories in the Southern Ocean situated south of the Antarctic Convergence...

 born in Grytviken
Grytviken is the principal settlement in the British territory of South Georgia in the South Atlantic. It was so named in 1902 by the Swedish surveyor Johan Gunnar Andersson who found old English try pots used to render seal oil at the site. It is the best harbour on the island, consisting of a...

 on 8 October 1913.


Jacobsen Valley is centred at 78°30′30"S 85°39′00"W. US mapping in 1961, 1988 and 2007.


  • Vinson Massif. Scale 1:250 000 topographic map. Reston, Virginia: US Geological Survey, 1988.
  • D. Gildea and C. Rada. Vinson Massif and the Sentinel Range. Scale 1:50 000 topographic map. Omega Foundation, 2007.
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