アバ・チベット族チャン族自治州
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.