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Tangra Mountains (in Bulgarian Тангра планина, 'Tangra planina' \'tan-gra pla-ni-'na\) (62°40′00″S 60°06′00″W) form the principal mountain range of Livingston Island in the South Shetland Islands, Antarctica. The range had been nameless until 2001, when it was named after Tangra, "the name of the ancient Bulgarian god."[2]

Tangra Mountains
Central Tangra Mountains
Highest point
PeakMount Friesland
Elevation1,700 m (5,600 ft)[1]
Dimensions
Length32 km (20 mi)
Width8.5 km (5.3 mi)
Geography
Location of Tangra Mountains on Livingston Island in the South Shetland Islands
ContinentAntarctica
RegionSouth Shetland Islands
Range coordinates62°40′00″S 60°06′00″W
Tangra Mountains (indicated by the right-side inscription 'Ice Bergs') on a fragment of George Powell's 1822 chart of the South Shetland Islands and South Orkney Islands
Tangra Mountains (indicated by the right-side inscription 'Ice Bergs') on a fragment of George Powell's 1822 chart of the South Shetland Islands and South Orkney Islands
Helmet Peak and Sofia Peak from Kuzman Knoll
Helmet Peak and Sofia Peak from Kuzman Knoll
Mount Friesland from the west slope of Lyaskovets Peak
Mount Friesland from the west slope of Lyaskovets Peak
Great Needle Peak from Bransfield Strait
Great Needle Peak from Bransfield Strait
Delchev Ridge from Melnik Peak
Delchev Ridge from Melnik Peak

Tangra Mountains are 32 kilometres (20 mi) long between Barnard Point and Renier Point, 8.5 kilometres (5.3 mi) wide, and are bounded by Moon Bay and Huron Glacier to the north, Huntress Glacier to the northwest, False Bay to the west, and Bransfield Strait to the southeast, and is linked to Bowles Ridge by Wörner Gap, and to Pliska Ridge by Nesebar Gap. The mountain is divided in three principal ridges: Friesland Ridge in the west, Levski Ridge in the centre, and Delchev Ridge in the east.

The peaks and slopes of Tangra are heavily glaciated, and drained by the glaciers Huron, Huntress, Ruen Icefall, Peshtera, Charity, Tarnovo Ice Piedmont, Prespa, Macy, Boyana, Srebarna, Magura, Dobrudzha, Ropotamo, Strandzha, Pautalia, Sopot Ice Piedmont, and Iskar.

Camp Academia in the northwestern foothills of Zograf Peak is the perfect gateway to central Tangra Mountains via Catalunyan Saddle (1260 m) to the south and Lozen Saddle (437 m) to the east. Catalunyan Saddle was occupied by a bivouac of the Tangra 2004/05 Exploration team on 14–16 December 2004.


Friesland Ridge


Friesland Ridge is 15.5 km long from Botev Point in the southwest to Shipka Saddle to the northeast. The summit Mount Friesland (62°40′14.9″S 60°11′10.7″W) rises to exactly 1700 m. It was accurately measured by GPS in December 2003 by the Omega Foundation expedition led by Damien Gildea, which made the second ascent of Mount Friesland.[1] Other main peaks are St. Boris (1699 m),[3] Simeon (1580 m), St. Cyril (1505 m), Lyaskovets (1473 m), Presian Ridge (1456 m), St. Methodius (1180 m), Academia (1253 m), and Zograf (1011 m). First ascents: Mount Friesland by Francesc Sàbat and Jorge Enrique from Juan Carlos I Base on 30 December 1991; Lyaskovets Peak by L. Ivanov and D. Vasilev from Camp Academia on 14 December 2004; Zograf Peak by L. Ivanov from Camp Academia on 31 December 2004;[4] Simeon Peak by D. Boyanov, N. Petkov and N. Hazarbasanov from Huntress Glacier on 15 January 2017; and St. Boris Peak by D. Boyanov and N. Petkov from Camp Academia area on 22 December 2016.[3]


Levski Ridge


Levski Ridge is 8 km long between Shipka Saddle to the west and Devin Saddle to the east, and 8 km wide between Cherepish Ridge to the north and Christoff Cliff to the south. The summit Great Needle Peak (62°40′15″S 60°03′10″W) rises to 1680 m, and was first ascended and GPS-surveyed by the Bulgarian mountaineers Doychin Boyanov, Nikolay Petkov and Aleksander Shopov on 8 January 2015.[5] Other main peaks are Levski (1430 m), St. Ivan Rilski Col (1350 m), Helmet (1254 m), Serdica (1200 m), Vihren (1150 m), Ongal (1149 m), and Plovdiv (1040 m). Other first ascents: Ongal Peak and Komini Peak (774 m) by L. Ivanov from Camp Academia on 21 December 2004, and Plana Peak by D. Boyanov, N. Petkov and A. Shopov on 8 January 2015.[5]


Delchev Ridge


Delchev Ridge is 10 km long between Devin Saddle to the west and Renier Point to the east. The summit Delchev Peak (62°38′28″S 59°56′16″W) rises to 940 m, other main peaks are Ruse (800 m), Asen (800 m), Peter (800 m), Kuber (770 m), Elena (700 m), Spartacus (650 m), Yavorov (640 m), and Paisiy (550 m).


Mapping


British mapping of the mountains in 1968, Spanish mapping in 1991, Omega Foundation mapping in 2004, Bulgarian mapping in 2005 and 2009 from topographic surveys in 1995/96 and 2004/05.


See also



References


Topographic map of Livingston Island
Topographic map of Livingston Island
Notes
  1. Gildea, Damien (2004). "Antarctica, Antarctic Peninsula, Livingston Island, South Shetland Islands, Second Ascent of Mt. Friesland and New Altitude". American Alpine Journal. 46 (78): 329–331. Retrieved 11 April 2015.
  2. Tangra Mountains. Archived 3 February 2021 at the Wayback Machine SCAR Composite Antarctic Gazetteer.
  3. D. Boyanov and N. Petkov. The Peaks of Tangra Mountains: Project Report Part Two 2016/17. Sofia, February 2017 (in Bulgarian)
  4. D. Gildea. Mountaineering in Antarctica: complete guide: Travel guide. Primento and Editions Nevicata, 2015. 192 pp. ISBN 978-2-51103-136-0
  5. N. Petkov. Livingston Island, Falsa Aguja and Sofia Peak. American Alpine Journal: Climbs And Expeditions, 2016. (Complete expedition report by N. Petkov and D. Boyanov)
Sources
North view of Tangra Mountains depicting (left to right) Great Needle Peak, Levski Peak, Lyaskovets Peak, Mount Friesland, St. Boris Peak and Simeon Peak, with Desolation Island in the foreground; fragment of an illustration to George Powell's 1822 chart of the South Shetland and South Orkney Islands


This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.


На других языках


[de] Tangra Mountains

Die Tangra Mountains (bulgarisch Тангра Планина .mw-parser-output .Latn{font-family:"Akzidenz Grotesk","Arial","Avant Garde Gothic","Calibri","Futura","Geneva","Gill Sans","Helvetica","Lucida Grande","Lucida Sans Unicode","Lucida Grande","Stone Sans","Tahoma","Trebuchet","Univers","Verdana"}Tangra Planina) sind ein Gebirge im östlichen Teil der Livingston-Insel im Archipel der Südlichen Shetlandinseln. Mit einer Länge von 30 km in westsüdwestlich-ostnordöstlicher Ausdehnung und einer breite von 7 km liegt es zwischen dem Barnard Point und dem Renier Point. Im Norden wird es durch die Moon Bay und den Huron-Gletscher begrenzt, im Nordwesten durch den Huntress-Gletscher, nach Westen durch die False Bay und nach Südosten durch die Bransfieldstraße.
- [en] Tangra Mountains

[fr] Montagne de Tangra

La montagne de Tangra (en bulgare Тангра Планина, Tángra Planiná) forme la chaîne principale de montagnes de l'île Livingston dans les îles Shetland du Sud, en Antarctique. La montagne a été baptisée en 2001 du nom de Tangra, dieu suprême des Bulgares antiques et plus généralement des Turco-mongols.

[it] Monti Tangra

I Monti Tangra (in lingua inglese: Tangra Mountains; in lingua bulgara: Тангра планина, 'Tangra planina' \'tan-gra pla-ni-'na\) formano la principale catena montuosa dell'Isola Livingston, la seconda per dimensioni delle Isole Shetland Meridionali, in Antartide.



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