Alatyr (river)

The Alatyr (Ала́тырь) is a river in Mordovia in Russia, and is Sura's left tributary. It is 296 km long, and has a drainage basin of 11200 km2. The Alatyr freezes up in November and stays icebound until April. The towns of Ardatov and Alatyr (Ратор), are located on the Alatyr River.