Arasbaran is a large mountainous area stretching from the Qusha Dagh massif, south of Ahar, to the Aras River in East Azerbaijan Province of Iran. The region enjoys great history as well as magnificent nature and landscapes; peaks as high as 2,200 meters, alpine meadows, rangelands, forests, rivers and springs. Since 1976, UNESCO has registered 72,460 hectares of this region as biosphere reserve.
Related article with more information about Arasbaran:
The other Iran | Photo Series: Spring in Iran – Arasbaran, East Azerbaijan Province