Gakog (Hongyuan) County ( or ; ) is a county in the north of Sichuan Province, China. It is under the administration of the Ngawa Tibetan and Qiang Autonomous Prefecture. There is a river called Ka Chu/Gaqu in the area and kog means "valley" or "area"; thus it means the area of the Ga River. This is the only county under the Prefecture with entirely yak herding pastoralists. The average altitude above the sea level is 3600 m. About 8,398 square meter and about 40,000 people reside (2004) mostly Amdo Tibetan. The language is spoken is one of the most conservative dialect among the Amdo Tibetan varieties. The county seat is Kyungqu (a.k.a. Khyungchu). Southwest University for Nationalities maintains the Qinghai-Tibetan Plateau Ecological Environmental Protection and Advanced Technology for Animal Husbandry in Hongyuan County. The country is served by Aba Hongyuan Airport.

Climate

Hongyuan has a Subarctic Climate (Köppen Dwc) With short, mild summers and cold winters.(but not as cold as subarctic climates at higher latitudes). It is affected by the Asian Monsoon.

Administrative divisions

Hongyuan County has 6 townships and 4 townships: