The Caucasus Mountains are the mountains in the south of Russia. They are located between the Black Sea and the Caspian Sea. Their most well-known peak is Mount Elbrus, which is much A than any other mountain in Russia or Europe. Mount Elbrus is an old volcano. It B inactive for about 2 thousand years. Every year many tourists come C the Caucasus Mountains. They ski, hike and just enjoy D beauty. Russian famous writers Pushkin, Lermontov, Tolstoy, Ilf and Petrov and many others E Caucasus Mountains.