The forests in the north part of the country, which are known as the forests of the Hyrcanian or Caspian vegetation zone, wet forests, and industrial forests of the north, such as the green strip of the southern Caspian Sea and the northern profile of the Alborz mountain range from Astara to Glidaghi, approximately 800 km long, 20 to 70 Km and an altitude of 2,800 meters above sea level.
