Khanka Lake, or Xingkai Lake, located on the border of Russia and China's Heilongjiang Province, is the largest water body of northeast China. Covering an area of 4,380 square kilometers (438,000 hectares), the lake empties into China's eastern-most river, the Wusuli.
The area around the lake is an important wetland habitat for animal and plant species and forms nature reserves of both countries. A paradise of migrant birds, the lake attracts hundreds of thousands of birds every spring, and is known internationally as an excellent place to go bird watching. Its wonderful scenery in all seasons also makes it an ideal place for photography and filming.
The lake has been included in the list of "World Biosphere Reserve" by UNESCO.