Oborishte Ridge (Rid Oborishte \'rid o-'bo-ri-shte\) 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 (together with the adjoining Provadiya Hook) 138 hectares (340 acres).