Viskyar Ridge is a rocky ridge rising to 600 m and extending 2.5 km in north-south direction in Breznik Heights

Breznik Heights

Breznik Heights rises to over 600 m in the southeast part of Greenwich Island. They extend 12 km between Santa Cruz Point in the north east and the base of the moraine spit at the mouth of Yankee Harbour in the southwest...

, Greenwich Island in the South Shetland Islands

South Shetland Islands

The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

, Antarctica. The ice-free surface area of the ridge is 135 hectares (333.6 acre). Surmounting Zheravna Glacier

Zheravna Glacier

Zheravna Glacier is a glacier on Greenwich Island, Antarctica. The glacier is bounded by Razgrad Peak to the west, Ilinden Peak and Momchil Peak to the north, and Viskyar Ridge to the east, extending 2 km in the east-west direction, and 1.8 km in the north-south direction...

 to the west and Targovishte Glacier

Targovishte Glacier

Targovishte Glacier is situated in Breznik Heights on Greenwich Island, and is bounded by Viskyar Ridge to the west, Vratsa Peak to the northeast, and Drangov Peak and Ziezi Peak to the east...

 to the east, with its south extremity forming Sartorius Point.

The feature is named after Viskyar Mountain

Viskyar Mountain

Viskyar Mountain is a minor range of hills in western Bulgaria rising to 1077 m , and bounded by Lyulin Mountain to the southeast, Sofia Valley to the northeast, Zavalska Mountain to the northwest, and Graovo Valley to the southwest. It is separated from the Lyulin and Zavalska hills by...

 in western Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

.

Location

The ridge's summit at its north extremity of the ridge is located 1.49 km southeast of Momchil Peak

Momchil Peak

Momchil Peak is an ice-covered peak rising to 625 m in Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica...

, 1.65 km southwest of Lyutitsa Nunatak

Lyutitsa Nunatak

Lyutitsa Nunatak is a rocky peak of elevation 430 m projecting from the ice cap in Breznik Heights on Greenwich Island, Antarctica. Overlooking Musala Glacier to the north, east, and south...

, 1.14 km west of Vratsa Peak

Vratsa Peak

Vratsa Peak is a sharp rocky peak rising to 470 m in Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica surmounting Musala Glacier to the northeast and Targovishte Glacier to the southwest and south....

, 1.79 km west-northwest of Ziezi Peak

Ziezi Peak

Ziezi Peak ia s rocky peak rising to 320 m in the southeast extremity of Breznik Heights on Greenwich Island in the South Shetland Islands, Antarctica overlooking Targovishte Glacier to the west....

, 2.05 km north of Sartorius Point

Sartorius Point

Sartorius Point is a sharp ice-free tipped point formed by an offshoot of Viskyar Ridge and marking the south extremity of Greenwich Island in the South Shetland Islands, Antarctica. The point separates the termini of Zheravna Glacier to the west and Targovishte Glacier to the east...

, and 2.7 km east of Razgrad Peak

Razgrad Peak

Razgrad Peak is an ice-covered peak rising to 550 m in Breznik Heights, Greenwich Island, Antarctica. The peak is located 740 m southeast of Terter Peak, 1.7 km southwest of Momchil Peak, 2.7 km west of the summit of Viskyar Ridge, and 1.51 km north-northeast of the coastal point...

 (Bulgarian survey Tangra 2004/05

Tangra 2004/05

The Tangra 2004/05 Expedition was commissioned by the Antarctic Place-names Commission at the Ministry of Foreign Affairs of Bulgaria, managed by the Manfred Wörner Foundation, and supported by the Bulgarian Antarctic Institute, the Institute of Mathematics and Informatics at the Bulgarian Academy...

 and mapping in 2009).

Map

• L.L. Ivanov et al. Antarctica: Livingston Island and Greenwich Island, South Shetland Islands. Scale 1:100000 topographic map. Sofia: Antarctic Place-names Commission of Bulgaria, 2005.

Reference

• SCAR Composite Antarctic Gazetteer.