Greater Caucasus Greater Caucasus Greater Caucasus (, Бөјүк Гафгаз, بيوک قافقاز; , "Didi K’avk’asioni"; , "Bolshoy Kavkaz", sometimes translated as "Caucasus Major", "Big Caucasus" or "Large Caucasus") is the major mountain range of the Caucasus Mountains. The range stretches for about from west-northwest to east-southeast, between the Taman Peninsula of the Black Sea to the Absheron Peninsula of the Caspian Sea: from the Western Caucasus in the vicinity of Sochi on the northeastern shore of the Black Sea and reaching nearly to Baku on the Caspian. The range is traditionally separated into three parts: In the wetter Western Caucasus, the mountains are
Caspian Sea and oil industries. Pollution from the oil industry and dams on rivers draining into the Caspian Sea have had negative impacts on the organisms living in the sea. The wide and endorheic Caspian Sea has a north-south orientation and its main freshwater inflow, the Volga River, enters at the shallow north end. Two deep basins occupy its central and southern areas. These facts lead to horizontal differences in temperature, salinity, and ecology. The Caspian Sea spreads out over nearly 750 miles (1,200 km) from north to south, with an average width of 200 miles (320 km). It covers a region