# Menyuan Hui Autonomous County

Menyuan Hui Autonomous County (simplified Chinese: 门源回族自治县; traditional Chinese: 門源回族自治縣; pinyin: Ményuán Huízú Zìzhìxiàn, Xiao'erjing: مٍیُوًا خُوِذُو ذِجِشِیًا‎; Tibetan: སེམས་ཉིད་ཧུའེ་རིགས་རང་སྐྱོང་ཞན།) is a county in the northeast of Qinghai Province, China, bordering Gansu Province to the north. It is under the administration of Haibei Tibetan Autonomous Prefecture. Menyuan is situated on the Datong River between the Qilian Mountains and Daban Mountains. Gangshiqia Peak rises dramatically in the north of the county. It used to be called Menyuan (亹源) in Chinese, with a different first character from the current name.

## Administrative divisions

Haiyan County is made up of 4 towns, 7 townships, and 1 ethnic township:
| Name | Simplified Chinese | Hanyu Pinyin | Tibetan | Wylie | Administrative division code | Notes |
| Towns |||||||
| Haomen Town (Julag Town) | 浩门镇 | Hàomén Zhèn | འཇུ་ལག་གྲོང་རྡལ། | 'ju lag grong rdal | 632221100 | |
| Qingshiju Town (Dê'gyaitiubur Town) | 青石咀镇 | Qīngshíjǔ Zhèn | སྡེ་བརྒྱད་དེའུ་འབུར་གྲོང་རྡལ། | sde brgyad de'u 'bur grong rdal | 632221101 | |
| Quankou Town (Xartang Town) | 泉口镇 | Quánkǒu Zhèn | ཤར་ཐང་གྲོང་རྡལ། | shar thang grong rdal | 632221102 | |
| Dongchuan Town | 东川镇 | Dōngchuān Zhèn | | | 632221103 | |
| Townships |||||||
| Beishan Township (Qangri Township) | 北山乡 | Běishān Xiāng | བྱང་རི་ཞང་། | byang ri zhang | 632221200 | |
| Malian Township | 麻莲乡 | Málián Xiāng | | | 632221201 | |
| Xitan Township (Nubtang Township) | 西滩乡 | Xītān Xiāng | ནུབ་ཐང་ཞང་། | nub thang zhang | 632221202 | |
| Yintian Township (Sibxing Township) | 阴田乡 | Yīntián Xiāng | སྲིབ་ཞིང་ཞང་། | srib zhing zhang | 632221203 | |
| Xianmi Township (Sêmnyi Township) | 仙米乡 | Xiānmǐ Xiāng | སེམས་ཉིད་ཞང་། | sems nyid zhang | 632221204 | |
| Zhugu Township (Chuku Township) | 珠固乡 | Zhūgù Xiāng | དྲུ་གུ་ཞང་། | dru gu zhang | 632221205 | |
| Sujitan Township (Soi'gyitang Township) | 苏吉滩乡 | Sūjítān Xiāng | བསོད་སྐྱིད་ཐང་ཞང་། | bsod skyid thang zhang | 632221206 | |
| Ethnic township |||||||
| Huangcheng Mongol Ethnic Township | 皇城蒙古族乡 | Huángchéng Ménggǔzú Xiāng | | | 632221207 | (Mongolian) ᠬᠤᠸᠠᠩ ᠴᠧᠩ ᠮᠣᠩᠭᠣᠯ ᠦᠨᠳᠦᠰᠦᠲᠡᠨ ᠦ ᠰᠢᠶᠠᠩ |
Others:
* Menyuan Prison (门源监狱)
* Menyuan Stallion Ranch (门源种马场)

## Climate

Climate data for Menyuan, elevation 2,850 m (9,350 ft), (1991–2020 normals) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | −1.8 (28.8) | 2.2 (36.0) | 6.6 (43.9) | 11.8 (53.2) | 15.4 (59.7) | 18.5 (65.3) | 20.7 (69.3) | 20.1 (68.2) | 16.1 (61.0) | 10.5 (50.9) | 4.3 (39.7) | −1.1 (30.0) | 10.3 (50.5) |
| Daily mean °C (°F) | −12.0 (10.4) | −7.6 (18.3) | −2.0 (28.4) | 3.6 (38.5) | 7.7 (45.9) | 11.2 (52.2) | 13.2 (55.8) | 12.3 (54.1) | 8.4 (47.1) | 2.5 (36.5) | −5.0 (23.0) | −11.1 (12.0) | 1.8 (35.2) |
| Mean daily minimum °C (°F) | −19.5 (−3.1) | −15.3 (4.5) | −8.7 (16.3) | −3.0 (26.6) | 1.2 (34.2) | 4.8 (40.6) | 6.8 (44.2) | 6.3 (43.3) | 3.1 (37.6) | −3.0 (26.6) | −11.3 (11.7) | −18.1 (−0.6) | −4.7 (23.5) |
| Average precipitation mm (inches) | 2.0 (0.08) | 4.5 (0.18) | 16.4 (0.65) | 34.1 (1.34) | 67.5 (2.66) | 82.6 (3.25) | 89.2 (3.51) | 115.4 (4.54) | 83.9 (3.30) | 26.6 (1.05) | 5.7 (0.22) | 2.0 (0.08) | 529.9 (20.86) |
| Average precipitation days (≥ 0.1 mm) | 3.3 | 4.4 | 9.1 | 10.4 | 14.4 | 17.8 | 17.4 | 17.9 | 16.8 | 9.7 | 3.6 | 2.5 | 127.3 |
| Average snowy days | 4.6 | 6.8 | 11.9 | 10.9 | 5.8 | 0.4 | 0.1 | 0.2 | 1.1 | 7.3 | 5.0 | 3.7 | 57.8 |
| Average relative humidity (%) | 50 | 48 | 52 | 55 | 60 | 66 | 72 | 74 | 74 | 68 | 60 | 54 | 61 |
| Mean monthly sunshine hours | 202.8 | 196.9 | 218.7 | 219.2 | 225.0 | 209.9 | 212.6 | 198.3 | 170.8 | 202.2 | 214.3 | 204.8 | 2,475.5 |
| Percent possible sunshine | 66 | 64 | 58 | 55 | 51 | 48 | 48 | 48 | 47 | 59 | 71 | 69 | 57 |
| Source: China Meteorological Administration ||||||||||||||

## Transportation

* Lanzhou–Xinjiang High-Speed Railway (Menyuan railway station)
* China National Highway 227