Miqan Lake is placed to the northeast of Arak and is the final point of the water basin for Arak which absorbs the surface water of the seasonal flood canals. The area of the Miqan Lake is between 100-110 square kilometers. In winters the weather is moderate, that is why, many migrant birds com to this lake from colder regions. In the past this lake was named as the Farahan Salt Marsh. A small island is located at the center of this lake. The water of the lake is salty. The plants around the lake are the ones adapted to a dry climate. Due to the migration of birds and suitable climate specially in autumn, this lake is one of the important regions in respect to tourism.