Olga Bay larch or Olgan larch (Larix olgensis), a species of larch, is named after Olga Bay in the Sea of Japan. The common name in Chinese is 黄花落叶松 (pinyin: huang hua luo ye song). This species occurs in Central Sikhote-Alin, and rarely occurs in North Korea, and Jilin and eastern Heilongjiang provinces of China, between 500 and 1100 metres in elevation. Also Olga Bay larch is sometimes treated as a variety of Dahurian Larch Larix gmelinii var. olgensis (Ostenf. & Syrach). Larix olgensis is a vulnerable species.