Huangyuan County
Huangyuan 
    湟源县  | |
|---|---|
Location of Huangyan  | |
| Coordinates: 36°40′55″N 101°15′22″E / 36.682°N 101.256°E | |
| Country | China | 
| Province | Qinghai | 
| Prefecture-level city | Xining | 
| Seat | Chengguan Town | 
| Area | |
 • Total  | 1,545 km2 (597 sq mi) | 
| Population  (2020)  | |
 • Total  | 109,802 | 
| • Density | 71/km2 (180/sq mi) | 
| Time zone | UTC+8 (China Standard) | 
| Huangyuan County | |||||||
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| Chinese name | |||||||
| Simplified Chinese | 湟源县 | ||||||
| Traditional Chinese | 湟源縣 | ||||||
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| Tibetan name | |||||||
| Tibetan | སྟོང་སྐོར་རྫོང་། | ||||||
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Huangyuan County (Chinese: 湟源县) is a county of Qinghai Province, China, it is under the administration of the prefecture-level city of Xining, the capital of Qinghai. It is under the administration of Xining city. The county seat is Chengguan Town, known in Mongolian as Dan Gar and in Tibetan as Tongkor.
The remains of Ladrolne Gompa and Rali Hermitage may be seen between Haiyan and Tongkor. A branch of Tongkor Monastery, known as Ganden Tengyeling (Ch. Cinghosi), just to the northwest of the Chengguan is also in ruins.