The ancient settlement of Koshoy-Korgon is 12 km to the west of the village of At-Bashi. This is a unique historical monument dated back to the 7th - 10th centuries. It served as a fortress for the Turkic rulers.
The name of the settlement translated from Kyrgyz means "The Fortress of Koshoy", in honor of one of the closest associates of the great hero Manas (according to legend, it was Koshoy who created this fortress).
The building has clay walls. Now there is a museum, exhibition of which consists of two parts. The first part is devoted to archaeological findings of the ancient settlement and all over Naryn region: tools, household goods, military equipment, etc. The second part contains the elements of the national culture of Kyrgyz people, as well as exhibits on the nomadic way of life.