Chirpan Peak is an ice-covered 535 metres (1,755 ft) peak forming the western extremity of Bowles Ridge on Livingston Island in the South Shetland Islands, Antarctica overlooking Perunika Glacier to the west and south. The peak is named after the town of Chirpan in southern Bulgaria.
Gurev Gap is a flat ice-covered saddle of elevation 450 m extending 3 km in south-north direction between Hemus Peak and Gleaner Heights in eastern Livingston Island in the South Shetland Islands, Antarctica. The gap separates the glacial catchments of Kaliakra Glacier to the east, and Saedinenie Snowfield and Perunika Glacier to the west. It is part of the overland route from the St. Kliment Ohridski Base via the Balkan Snowfield, Rezen Saddle and Perunika Glacier to Varna Peninsula. The saddle was first trekked on 24 December 2004 by the Tangra 2004/05 Survey team from Camp Academia, and was named for Vasil Gurev, physicist at St. Kliment Ohridski in 1994/95 and subsequent seasons.
Hemus Peak is an ice-covered peak rising to 636 metres (2,087 ft) off the northwest extremity of Bowles Ridge in eastern Livingston Island. The feature is breast-shaped, 850 metres (2,790 ft) long in east-west direction and 550 metres (1,800 ft) wide, and overlooks Kaliakra Glacier to the northeast and Perunika Glacier to the southwest. Hemus is an ancient name of Stara Planina, the central mountain range separating northern from southern Bulgaria.
Kaliakra Glacier is a glacier in northeastern Livingston Island, Antarctica extending 3.8 nautical miles in east-west direction and 4.3 nautical miles in north-south direction, and situated southeast of Saedinenie Snowfield, southwest of Panega Glacier, north of Struma Glacier and upper Huron Glacier, and northeast of Perunika Glacier. It is bounded by Melnik Ridge and Bowles Ridge to the south, by Hemus Peak, Gurev Gap, Gleaner Heights, Elhovo Gap, Leslie Hill, Leslie Gap and Radnevo Peak to the west, and Miziya Peak and Samuel Peak to the north. The glacier drains eastwards into Moon Bay south of Perperek Knoll and north of Sindel Point.
Orpheus Gate, also Orpheus Pass, is the 548 m high and 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 to the southwest and Perunika Glacier to the northeast.
Perunika Glacier is an 8 km long and 3 km wide (average) roughly crescent-shaped glacier in eastern Livingston Island in the South Shetland Islands, Antarctica situated east of Pimpirev Glacier, south of Saedinenie Snowfield, southwest of Kaliakra Glacier, west of Huron Glacier, and north of Balkan Snowfield and the head of Huntress Glacier.
Pliska Ridge is a three-peaked ridge rising to 667 m in eastern Livingston Island in the South Shetland Islands, Antarctica. Its central and highest summit, Pliska Peak, is located 2.48 km east-northeast of Willan Nunatak, 1.81 km southeast of Burdick Peak, 3.53 km south-southwest of Mount Bowles, 3.68 km west-southwest of Kuzman Knoll, and 3.61 km northwest of Mount Friesland. The feature is 1.6 km long and 500 m wide, its axis trending due east-west, with precipitous southern slopes. It is ice-covered except for segments of its easternmost peak and is bounded to the northwest by Orpheus Gate, to the north by the head of Perunika Glacier, to the east by Nesebar Gap, and to the south and west by the head of Huntress Glacier, the latter flowing 6 km southwestwards into False Bay.
Rayna Knyaginya Peak is a peak of elevation 680 m in western Bowles Ridge, Livingston Island in the South Shetland Islands, Antarctica. Surmounting Perunika Glacier to the south and northwest, and Kaliakra Glacier to the northeast.
Rezen Knoll is a knoll rising to 433 m in eastern Livingston Island in the South Shetland Islands, Antarctica. The knoll is bounded to the east, north and west by Perunika Glacier, and linked to Burdick Ridge by Rezen Saddle. The feature is 250 m wide, extending 500 m in east-west direction. Composed of lavas, with precipitous slopes except to the east. Partly ice-free height and western and northern slopes.
Rezen Saddle is a geographical feature on Livingston Island in the South Shetland Islands, Antarctica. The 600 m long horseshoe-shaped flat saddle of elevation 420 m lies between Rezen Knoll and Burdick Ridge in eastern Livingston Island, affording overland access from Balkan Snowfield to upper Perunika Glacier and Bowles Ridge area.
Saedinenie Snowfield on Livingston Island in the South Shetland Islands, Antarctica is situated southwest of Rose Valley Glacier, west of Panega Glacier, northwest of Kaliakra Glacier, north of lower Perunika Glacier and east-northeast of Tundzha Glacier. It is bounded by Teres Ridge to the west, the glacial divide between the Drake Passage and Bransfield Strait to the south, Gleaner Heights, Elhovo Gap and Leslie Hill to the southeast, and Leslie Gap and Vidin Heights to the east. The snowfield extends 4.7 km inland and 15.5 km in southwest-northeast direction, and drains into Hero Bay between Melta Point and Slab Point.
Struma Glacier is a glacier in eastern Livingston Island in the South Shetland Islands, Antarctica situated south of lower Kaliakra Glacier and north of Huron Glacier. Bounded by Melnik Ridge to the north, Yankov Gap to the west and Bowles Ridge to the south, it is 4.8 km long and 1.5 km wide, and flows eastwards into Moon Bay south of Sindel Point.
Ticha Peak is a 790 m peak on the east side of Omurtag Pass in Bowles Ridge, Livingston Island in the South Shetland Islands, Antarctica. The peak is overlooking Perunika Glacier and Wörner Gap to the southwest, Huron Glacier to the southeast, and Kaliakra Glacier to the north.
Wörner Gap is a flat saddle extending 3 km in the south-north direction between Friesland Ridge and Bowles Ridge in eastern Livingston Island in the South Shetland Islands, Antarctica. Its elevation decreases from 585 m in the south to 541 m in the middle, and 525 m in the north. The gap separates the glacial catchments of Perunika Glacier to the west and Huron Glacier to the east, and is linked to the east to Kuzman Knoll, a conspicuous landmark in the area. The gap is visited by field parties from St. Kliment Ohridski Base and Juan Carlos I Base and is subject to Spanish and Bulgarian glaciological studies.
Zograf Peak rises to 1,010 m (3,310 ft) at the northeast extremity of Friesland Ridge in Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. The peak is heavily glaciated and crevassed, with precipitous and partly ice-free northern slopes. The peak surmounts Huron Glacier to the north and Shipka Valley to the east, and is accessible via the saddle of elevation 975 m linking it to the north rib of Lyaskovets Peak. The peak is linked to the northeast by Lozen Saddle to Lozen Nunatak, Erma Knoll and Aheloy Nunatak.
Camp Academia is a geographical locality in eastern Livingston Island, South Shetland Islands, Antarctica, named for the Bulgarian Academy of Sciences in appreciation of Academy’s contribution to the Antarctic exploration. The site was first occupied in the 2004/05 austral summer, and has been designated since 2004 as the summer post office Tangra 1091, the southernmost branch of the Bulgarian Posts Plc.
Bowles Ridge is the central ridge of eastern Livingston Island. The ridge extends 6.5 km in the east-west direction and is 1.5 km wide. The summit of the ridge is Mount Bowles which rises to 822m and is located 9.77 km northwest of Great Needle Peak, 6.08 km north by west of Mount Friesland, 8.77 km east-northeast of St. Kliment Ohridski base and 9.25 km south by west of Miziya Peak.
Huron Glacier is a 4.8 nautical miles } long and 2.2 nautical miles wide glacial flow on Livingston Island in the South Shetland Islands of Antarctica, situated east of Perunika Glacier, southeast of Kaliakra Glacier, south of Struma Glacier, west-northwest of Iskar Glacier and northeast of Huntress Glacier. It is bounded by Bowles Ridge to the north, Wörner Gap to the west and the Tangra Mountains to the south, receiving ice influx from several tributary glaciers draining the mountain's northern slopes between Mount Friesland and Helmet Peak, and running east-northeastwards to empty into Moon Bay north of Yana Point. Camp Academia is situated on upper Huron Glacier, in the northwestern foothills of Zograf Peak.
Huntress Glacier is a glacier 7 kilometres (4.3 mi) long and 3.7 kilometres (2.3 mi) wide flowing into the head of False Bay, Livingston Island in the South Shetland Islands, Antarctica. It is situated east of Johnsons Glacier, southeast of Contell Glacier and Balkan Snowfield, south of upper Perunika Glacier, southwest of Huron Glacier and northwest of Macy Glacier, and is bounded by Friesland Ridge and the Tangra Mountains to the southeast, Nesebar Gap, Pliska Ridge, Burdick Ridge and Willan Nunatak to the north, and Charrúa Gap and Napier Peak to the northwest.
The Gleaner Heights are a series of elevations extending for 2 km (1.2 mi) southwest from Leslie Hill in the eastern part of Livingston Island in the South Shetland Islands, Antarctica. They are separated from Leslie Hill by Elhovo Gap, and from Hemus Peak off the northwest extremity of Bowles Ridge by Gurev Gap. The feature is heavily glaciated, with a small rock exposure on its northwest slopes. Gleaner Heights surmount Saedinenie Snowfield to the northwest, Kaliakra Glacier to the east and Perunika Glacier to the southwest. The first ascent was by the Bulgarian Doychin Vasilev from Camp Academia on 25 December 2004, as part of Tangra 2004/05 survey.
