2021-11-18 · Located in the northeast of China, with Harbin as the capital, Heilongjiang Province has the highest latitude in the country. It is adjacent to Inner Mongolia to the west, Jilin Province to the south. As Heilongjiang faces …Heilongjiang Province - ChinafolioHeilongjiang''s longest river, Amur or Heilongjiang River, runs along the Sino-Russian border for 1,900 km. The province''s winters are long and bitter. In the frigid cold of its northern environment, the river begins icing over in mid-October, is solid ice by mid-November, and is not completely thawed until May.