Levski Ridge is the central ridge of the Tangra Mountains, Livingston Island. Its summit, Great Needle Peak rises to 1,680m and is the second highest summit of the island after Mount Friesland.
Magura Glacier on the southeast side of Tangra Mountains on Livingston Island in the South Shetland Islands, Antarctica is located to the north of M'Kean Point, northeast of Srebarna Glacier, south of Iskar Glacier and southwest of Dobrudzha Glacier. It is bounded by Great Needle Peak to the west, Vitosha Saddle, Vihren Peak and Helmet Peak to the northwest, Plovdiv Peak and Shishman Peak to the north, and Devin Saddle and Kuber Peak to the northeast. The glacier extends 3.5 km in southwest-northeast direction and 1.9 km in northwest-southeast direction, and flows southeastward into Bransfield Strait.
Omurtag Pass is a 720 m high pass between Mount Bowles and Ticha Peak in Bowles Ridge, Livingston Island in the South Shetland Islands, Antarctica and is part of an overland route between the Wörner Gap area and upper Kaliakra Glacier. The pass is named after Khan Omurtag of Bulgaria, 814-831 AD.
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.
The Peshtera Glacier is a glacier on the Rozhen Peninsula, Livingston Island in the South Shetland Islands, Antarctica situated southwest of Ruen Icefall and north of Charity Glacier.
Pirdop Gate is a 300-m wide pass between Maritsa Peak and Atanasoff Nunatak in eastern Bowles Ridge, Livingston Island in the South Shetland Islands, Antarctica. It has an elevation of 376 m at its northern entrance from Struma Glacier, and 261 m at the southern entrance from Huron Glacier. It forms part of an overland route between middle Huron Glacier and upper Kaliakra Glacier. The pass was first crossed by the Bulgarians Lyubomir Ivanov and Doychin Vasilev from Camp Academia on 28 December 2004. Named after the town of Pirdop in Central Bulgaria.
Prespa Glacier on Rozhen Peninsula, Livingston Island in the South Shetland Islands, Antarctica is situated east-northeast of Tarnovo Ice Piedmont, east of the head of Charity Glacier, southeast of Ruen Icefall and southwest of Macy Glacier. It is bounded to the east by Needle Peak and Ludogorie Peak, to the northwest by St. Cyril Peak and St. Methodius Peak, and to the southwest by Shumen Peak and Yambol Peak, and flows southeastward into Bransfield Strait between Gela Point and Samuel Point. The feature extends 3.5 km in east-west direction and 2.5 km in north-south direction. The glacier is named after Prespa Peak in the Rhodope Mountains, Bulgaria.
Shipka Valley valley extending 2.4 km and 700 m wide in Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. The valley descends from Shipka Saddle between the north slopes of Lyaskovets Peak and Levski Peak, and holds a tributary glacier which joins Huron Glacier east of Aheloy Nunatak.
Shumen Peak rises to 770 m in Friesland Ridge, Tangra Mountains, Livingston Island, Antarctica and surmounts Charity Glacier to the west, Tarnovo Ice Piedmont to the south, and Prespa Glacier to the southeast. The peak is named after the Bulgarian town of Shumen.
St. Cyril Peak rises to 1,505m in Friesland Ridge in Tangra Mountains on Livingston Island in the South Shetland Islands, Antarctica. The peak is linked to St. Methodius Peak to the southwest by Vladaya Saddle and surmounts Ruen Icefall to the west, Macy Glacier to the east and Prespa Glacier to the south.
St. Methodius Peak rises to approximately 1,180m in Friesland Ridge, Tangra Mountains, Livingston Island, Antarctica and surmounts Ruen Icefall to the north-northwest, Prespa Glacier to the southeast and Charity Glacier to the southwest. Linked to St. Cyril Peak by Vladaya Saddle.
Tervel Peak is a triple peak rising to 810 m in Friesland Ridge, Tangra Mountains on Livingston Island in the South Shetland Islands, Antarctica overlooking Peshtera Glacier and Zagore Beach to the northwest, and Charity Glacier to the southwest. Linked by Pleven Saddle to MacKay Peak in the west-southwest.
Vitosha Saddle is a narrow ice-covered saddle of elevation 1050 m extending in southwest-northeast direction between Great Needle Peak and Vihren Peak in the Levski Ridge of Tangra Mountains, eastern Livingston Island in the South Shetland Islands, Antarctica. The saddle is part of the divide between the glacial catchments of Huron Glacier to the north and Magura Glacier to the south.
Wulfila Glacier is located on the southern slopes of Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica, south-southwest of Solis Glacier and west of Zheravna Glacier. It is bounded by Oborishte Ridge to the northwest, Nevlya Peak to the north, Terter Peak and Razgrad Peak to the northeast, and Ephraim Bluff to the southeast. The glacier extends 3 km in northwest-southeast direction and 2 km in northeast-southwest direction, draining southwestwards into McFarlane Strait between Ephraim Bluff and the base of Provadiya Hook.
Gramada Glacier is a 1.6 nautical miles long glacier on Smith Island in the South Shetland Islands, Antarctica draining the southeast slopes of Imeon Range east of Riggs Peak, southeast of Madan Saddle and south of Neofit Peak. It is situated southwest of Armira Glacier and northeast of Letnitsa Glacier, and flows southeastward into Brashlyan Cove on Osmar Strait. Bulgarian early mapping in 2009. The glacier is named after the town of Gramada in northwestern Bulgaria.
Krivodol Glacier is a 3.8 km long glacier on Smith Island, South Shetland Islands in Antarctica draining the southeast slopes of Imeon Range northeast and east of Antim Peak, southeast of Varshets Saddle and south of Slatina Peak. It is situated southwest of Ovech Glacier and northeast of Pashuk Glacier, and flows southeastward into Osmar Strait northeast od Sredets Point. Bulgarian early mapping in 2008. The glacier is named after the town of Krivodol in northwestern Bulgaria.
Ovech Glacier is a 3.5 km long glacier on Smith Island, South Shetland Islands draining the southeast slopes of Imeon Range southeast of Drinov Peak and east of Popovo Saddle and Sevlievski Peak. It is situated southeast of Vetrino Glacier and Yablanitsa Glacier, and northeast of Krivodol Glacier, and flows east-southeastward into Nikolov Cove on Boyd Strait. Bulgarian early mapping in 2009. The glacier is named after the medieval fortress of Ovech in northeastern Bulgaria.
Chuprene Glacier is a 2.1 nautical miles long glacier draining the northwest slopes of Imeon Range on Smith Island in the South Shetland Islands, Antarctica. It is situated northeast of Bistra Glacier, southwest of Yablanitsa Glacier and northwest of Krivodol Glacier, Pashuk Glacier and Rupite Glacier, and flows southwest of Drinov Peak and Popovo Saddle, and west of Slatina Peak and Varshets Saddle southwestward along the northwest slopes of Antim Peak and Evlogi Peak into Drake Passage south of Villagra Point and north of Garmen Point. Bulgarian early mapping in 2009. The glacier is named after the settlement of Chuprene in northwestern Bulgaria.
MacKay Peak is an ice-covered pyramidal peak rising to 770 m in Friesland Ridge, Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. It is linked by Pleven Saddle to Tervel Peak to the east-northeast, and surmounts Peshtera Glacier to the north and Charity Glacier to the south.
Snow Peak is a snow-covered peak rising to 428 m in western Livingston Island in the South Shetland Islands, Antarctica. Linked by a saddle to Casanovas Peak in the west, and surmounting Berkovitsa Glacier to the northwest, Tundzha Glacier to the east and Verila Glacier to the southwest.
