The Russian River is a major river in Russia, and the crossword solutions for it include the Ural (4 letters), Lena (4 letters), DON (3 letters), Volga (5 letters), Neva (4 letters), Oka (3 letters), Amur (4 letters), Chu (3 letters), Taz (3 letters), Kara (4 letters), Msta (4 letters), Osha (4 letters), Sula (4 letters), Desna (5 letters), Neman (5 letters), Neris (5 letters), and Donets (6 letters). These rivers are all located in Russia and are important to the country's geography.