Maly Cheremshan

The Maly Cheremshan (literally, The Little Cheremshan, Малый Черемшан; Кече Чирмешән) is a river in Tatarstan and Ulyanovsk Oblast, Russian Federation, a right-bank tributary of the Bolshoy Cheremshan. It is 192 km long. The river's drainage basin covers 3190 km2. It begins near Tatarsky Yeltan, Chistopolsky District, Tatarstan, and flows to the Bolshoy Cheremshan in Ulyanovsk Oblast. Maximal water discharge is 702 m3/s (1979).

Major tributaries are the Cheboksarka, Savrushka, Bagana, Adamka, Vyalyulkina, Baranka, Marasa, Ata, Shiya, Yukhmachka rivers. The maximal mineralization 500-700 mg/L. The average sediment deposition at the river mouth per year is 80 mm. In its middle reaches the river crosses the biggest forest in Transkama Tatarstan. Since 1978 it is protected as a natural monument of Tatarstan.