Breznik Heights rises to over 600 m in the southeast part of Greenwich Island. They extend 12 km between Santa Cruz Point

Santa Cruz Point

Santa Cruz Point, also Spencer Bluff, is a rocky point forming the east extremity of Greenwich Island in the South Shetland Islands, Antarctica and the southwest side of the entrance to English Strait...

 in the north east and the base of the moraine spit at the mouth of Yankee Harbour in the southwest. The heights are ice covered except for limited areas such as Oborishte Ridge

Oborishte Ridge

Oborishte Ridge has an elevation of 340 m in the southwest extremity of Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica. Extending 1.7 km along the southeast coast of Yankee Harbour and 950 m wide. Ice-free surface area...

, Ephraim Bluff

Ephraim Bluff

Ephraim Bluff is a 425 m ice-free bluff in the south of Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica. The bluff is linked to Razgrad Peak to the north-northeast and separates the termini of Wulfila Glacier to the northwest and Zheravna Glacier to the east.The feature...

, Viskyar Ridge

Viskyar Ridge

Viskyar Ridge is a rocky ridge rising to 600 m and extending 2.5 km in north-south direction in Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica. The ice-free surface area of the ridge is...

 and Bogdan Ridge

Bogdan Ridge

Bogdan Ridge is a conspicuous rocky ridge of elevation 440 m forming the northeast extremity of Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica...

.

The heights are named after the town of Breznik

Breznik

Breznik is a town in western Bulgaria, 50 km away from Sofia. It is located in Pernik Province and is close to the towns of Bankya and Pernik. It has 4,500 inhabitants. Villages in the municipality include Dushintsi....

 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...

.

Maps

• 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.
• L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. ISBN 978-954-92032-6-4