Bolshoy Cheremshan
Bolshoy Cheremshan (, literally "Greater Cheremshan", ) is a river in Russia, a left tributary of the Volga between the Kama and Samara. It is long, and has a drainage basin of . It flows southwest to the Volga near Dimitrovgrad. The main inflows are the Bolshaya Sulcha and Maly Cheremshan. The maximal discharge is (1979), and the minimal mineralization is 600-800 "mg/l". The riverbed is meandering and the meadows are wide. From around 1650 the Trans-Kama Line of forts ran along or near the Cheremshan.