Zeya River (Russian: Зе́я; from indigenous Evenki word "dgeœ" (blade); Manchu: ᠵᡳᠩᡴᡳᡵᡳ ᠪᡳᡵᠠ, Mölendroff: jingkiri bira), 1,242 km long, is a northern tributary of the Amur River. It rises in the Tokiysky Stanovik mountain ridge, a part of the Stanovoy Range. The first Russian to enter the area was Vassili Poyarkov.