Pirdop Gate (Pirdopska Porta \pir-'dop-ska 'por-ta\) is a 300 m (980 ft) 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 (1,234 ft) at its northern entrance from Struma Glacier, and 261 m (856 ft) 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.