Datong Hui and Tu Autonomous County (simplified Chinese: 大通回族土族自治县; traditional Chinese: 大通回族土族自治縣; pinyin: Dàtōng Huízú Tǔzú Zìzhìxiàn; Xiao'erjing: دَاتْو خُوِذُو تُوذُو ذِجِشِیًا) is a county of Qinghai Province, China. It is under the administration of Xining city.
"Mount Laoye" as seen from Datong
Since 2009 a folk music "Flower Festival" has been held annually in late July on "Mount Laoye" (2928 m) in Datong town.
Coordinates: 37°05′38″N 101°27′32″E / 37.0939°N 101.459°E