The Lena (Russian: Ле́на, IPA: [ˈlʲɛnə]; Mongolian: Зүлгэ, Zülge, Buryat: Зүлхэ, Zülhe; Sakha: Өлүөнэ, Ölüöne) is the easternmost of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Ob River and the Yenisei River). It is the 11th longest river in the world and has the 9th largest watershed. It is also the 3rd largest river in Asia.