Caspian Sea and a Pleistocene stage, that includes glaciation cycles and the creation of the present Volga River. During the first stage, the Tethys Sea had evolved into the Sarmatian Lake, that was created from the modern Black Sea and south Caspian, when the collision of the Arabian peninsula with Western Asia pushed up the Kopet Dag and Caucasus Mountains, setting definitive south and west boundaries to the Caspian basin. This orogeneic movement was continuous throughout the years, while Caspian was regularly disconnecting from the Black Sea. In the late Pontian, a mountain arch rose across the south basin and divided it
Black Sea Region the year. Those who dislike the heat and humidity of the summer in the Mediterranean and Aegean regions of Turkey, escape to the plateaux of the mountains in the Black Sea region which are almost permanently cloudy and receive immense amounts of rain and are very attractive with rich flora and fauna, forests, crater lakes, waterfalls, rivers, streams, mountain and nature walk, rafting, canoe and winter sports, hunting and fishing, grass skiing, healing water and local dishes. Black Sea Region The Black Sea Region () is a geographical region of Turkey. It is bordered by the Marmara Region to the