Geography
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Renier Point
Tangra Mountains
Livingston Island is situated in West Antarctica, 110 km (68 mi) northwest of Cape Roquemaurel on the Antarctic mainland, 809 km (503 mi) south-southeast of Cape Horn in South America, 796 km (495 mi) southeast of the Diego Ramírez Islands (the southernmost land of South America), 1,063 km (661 mi) due south of the Falkland Islands, 1,571 km (976 mi) southwest of South Georgia Islands, and 3,040 km (1,889 mi) from the South Pole.
The island is part of the South Shetlands archipelago, an islands chain extending 510 km (317 mi) in east-northeast to west-southwest direction, and separated from the nearby Antarctic Peninsula by Bransfield Strait, and from South America by the Drake Passage. The South Shetlands cover a total land area of 3,687 km2 or 1,424 sq mi (late 20th-century estimate; the current figure might be somewhat less than that due to coastal change), comprising (from east to west) the eleven principal islands of Clarence, Elephant, King George, Nelson, Robert, Greenwich, Livingston, Deception, Snow, Low and Smith, and a number of minor islands, islets and rocks.
Livingston is separated from neighbouring Greenwich Island to the east by the 3.3 km-wide (2.1 mi) McFarlane Strait, and from Snow Island to the west-southwest by the 5.9 km-wide (3.7 mi) Morton Strait. Deception Island, situated in Bransfield Strait barely 18 km (11.2 mi) southwest of Livingston's Barnard Point, is an active volcano last erupting in 1967, 1969 and 1970 whose flooded caldera forms the 9.8 km (6 mi) by 6.8 km (4 mi) sheltered harbour of Port Foster entered by a single 540 metres (590 yards) wide passage known as Neptune's Bellows. There are several extinct volcanoes on Livingston Island itself that were active in the Quaternary, such as Rezen Knoll, Gleaner Heights, Edinburgh Hill and Inott Point.
Cape Shirreff
Serac ice
The island extends 73 km (45 mi) from Start Point in the west to Renier Point in the east, its width varying from 5 km (3.1 mi) at the neck between South Bay and Hero Bay to 36 km (22 mi) between Botev Point to the south and Williams Point to the north. Livingston is the second largest island in the archipelago after King George, with surface area of 798 km2 or 308 sq mi (early 21st-century estimate; the current figure might be somewhat smaller due to coastal change).
The coastline is irregular, with major indentations such as South Bay, False Bay, Moon Bay, Hero, Barclay, New Plymouth, Osogovo and Walker, and peninsulas such as Hurd (10 km or 6.2 mi long), Rozhen (9 km or 5.6 mi), Burgas (10.5 km or 6.5 mi), Varna (13 km or 8.1 mi), Ioannes Paulus II (12.8 km or 8.0 mi) and Byers (15 km or 9.3 mi). There are many islets and rocks lying in the surrounding waters, particularly off the north coast. More sizable among the adjacent minor islands are Rugged Island off Byers Peninsula, Half Moon Island in Moon Bay, Desolation Island in Hero Bay, and Zed Islands off Williams Point.
Ice cliffs, often withdrawing during recent decades to uncover new coves, beaches, spits, points and minor islands, form most of the coastline. Except for the ice-free Byers Peninsula and some isolated patches, the land surface is covered by an ice cap with ice domes and plateaus in the central and western areas, and a number of valley glaciers formed by the more mountainous relief of eastern Livingston. Certain areas of the ice cap, especially near glacier termini or over steeper slopes, are densely crevassed and almost inaccessible without specialized equipment. Elsewhere, the surface is smooth, hard and comfortable for walking, skiing or snowmobiling. However, the danger of falling into some hidden crevasse masked by a snow bridge is ever-present, including in frequently visited and supposedly well-known localities. Protracted periods of warmer weather tend to make the snow bridges more unstable and hazardous.
Typical of the island's glaciology are the conspicuous ash layers originating from volcanic activity on neighbouring Deception Island. The island hosts also several rock glaciers consisting of rock debris frozen in ice, such as those at Nusha Hill, MacKay Peak and Renier Point.
Tarn
Eastern Byers Peninsula with Urvich Wall and Rotch Dome in the background; a carpet of Usnea antarctica lichen in the foreground
Along with the extensive Byers Peninsula (60.35 km2 or 23 sq mi) forming the west extremity of Livingston, the ice-free part of the island includes some minor coastal areas at Cape Shirreff, Siddins Point, Hannah Point, Williams Point, Hurd Peninsula and Rozhen Peninsula, as well as slopes in the mountain ranges, and ridges and heights in eastern Livingston that are too precipitous to keep snow. Numerous meltwater streams flow in the ice-free areas during summer, extending from hundreds of meters up to 4.5 km. Byers Peninsula alone has more than 60 such streams and as many lakes, notably Midge Lake (587 by 112 m, or 642 by 122 yd), Limnopolar Lake and Basalt Lake. Several such streams, lakes and ponds are situated in the vicinity of the Bulgarian and Spanish bases on Hurd Peninsula.
The principal mountain formations on the island comprise Tangra Mountains (32 kilometres or 20 miles long and 8.5 kilometres or 5.3 miles wide, with Mt Friesland rising to 1,700.2 m or 5,578 ft), Bowles Ridge (6.5 km or 4 mi long, elevation 822 m or 2,697 ft), Vidin Heights (8 km or 5 mi, 604 m or 1,982 ft), Burdick Ridge (773 m or 2,536 ft), Melnik Ridge (696 m or 2,283 ft) and Pliska Ridge (667 m or 2,188 ft) in the eastern part of the island, and Oryahovo Heights (6 km or 4 mi, 340 m or 1,115 ft), and Dospey Heights (6 km or 4 mi, 265 m or 869 ft). The local ice relief is prone to change; in December 2016 the elevations of Mount Friesland and St. Boris Peak were 1,693 m (5,554 ft) and 1,699 m (5,574 ft) respectively, making the latter the summit of Livingston in that season. According to the American high accuracy Reference Elevation Model of Antarctica (REMA), Mount Friesland is 8 m (26 ft) higher than St. Boris Peak.
The first ascent of the island's Mount Friesland summit was made by the Catalans Francesc Sàbat and Jorge Enrique from Juan Carlos I Base on 30 December 1991. Of the other notable peaks of Tangra Mountains, Lyaskovets (1,473 m or 4,833 ft) was first summited by the Bulgarians Lyubomir Ivanov and Doychin Vasilev from Camp Academia on 14 December 2004, Great Needle Peak (Falsa Aguja Peak, 1,679.5 m or 5,510 ft) – by the Bulgarians Doychin Boyanov, Nikolay Petkov and Aleksander Shopov from Camp Academia on 8 January 2015, St. Boris – by Boyanov and Petkov from Camp Academia on 22 December 2016, and Simeon (1,580 m or 5,184 ft) – by Boyanov, Petkov and Nedelcho Hazarbasanov from Nesebar Gap on 15 January 2017.
Of the island's nature, Captain Robert Fildes of the sealers Cora and Robert (both of them shipwrecked in the South Shetlands) wrote in 1821:
On advancing from the northward toward Livingston's or the Main Island, the land will appear in mountains of a vast height, and covered entirely with snow; the base of them terminating in perpendicular ice cliffs. The whole has an awfully grand, though terrific and desolate, appearance; the snowy mountains showing themselves, one over another, far above the clouds, and exciting in the mind a devotional reverence on the wonders of the Almighty: and even if surrounded on all sides with rocks and breakers, the mind is forced into pious contemplation on the grandeur of the scene.
