In the beginning of Torghabeh fertile valley and 4 km from it, in Timurid era, a huge brick dam was founded, still known as "Golestan Dam" and despite of renovations and changes, it has kept its strength and beauty.

Dam, because of its importance and high place in agricultural and water utilization history, possession of several agricultural areas and observance of technical principles in 15th century, is used yet.

Length of Dam in the bottom of the river area is 31 m and in the top 101 m. Thickness in the top 15 m and in the bottom 25 m. Its height is 15 m.

The lake behind Dam, which is filled with water in the spring, produces a magnificent view.