Near the famous forests named Sissangan and 30 km east of Noshahr, a beautiful and pristine lake called Avidar, which was created due to the construction of a dam, attracted the attention of many nature battalions and tourists, the lake And the dam is known as Avidar or Salahuddin, and the reason for its construction is the storage of agricultural land for agriculture in the region. In addition to the beauty of the lake itself itself, there is a small green island in the middle of the lake, which has multiplied its attractiveness and suggests that this hill has existed before the foundation of the earth dam and its construction.