Sanhe, Longnan
{{Infobox settlement
| name = Sanhe
| native_name = {{nobold|三河镇}}
| native_name_lang = zh-hans
| settlement_type = Town
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| pushpin_map =China Gansu
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| pushpin_map_caption =Location in Gansu
| coordinates = {{coord|33|18|00|N|105|09|49|E|region:CN-62|display=inline,title}}
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| subdivision_type = Country
| subdivision_name = People's Republic of China
| subdivision_type1 = Province
| subdivision_name1 = Gansu
| subdivision_type2 = Prefecture-level city
| subdivision_name2 = Longnan
| subdivision_type3 = District
| subdivision_name3 = Wudu
| subdivision_type4 = Village-level divisions
| subdivision_name4 = 16 villages
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| unit_pref = Metric
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| elevation_m = 1049
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| population_density_km2 = auto
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| timezone1 = China Standard
| utc_offset1 = +8
| postal_code_type =Postal code
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| area_code = 0939
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Sanhe ({{zh|s=三河 |p=Sānhé |l=three rivers}}) is a town in Wudu District, Longnan, Gansu, People's Republic of China,{{cite web
|url = http://www.stats.gov.cn/tjsj/tjbz/tjyqhdmhcxhfdm/2018/62/12/621202.html
|script-title=zh:2018年统计用区划代码和城乡划分代码：武都区
|publisher = National Bureau of Statistics of the People's Republic of China
|language = Chinese
|accessdate = 2019-03-20}} located {{convert|23|km}} southeast of downtown Longnan as the crow flies. {{asof|2018}}, it has 16 villages under its administration.{{cite web
|url = http://www.stats.gov.cn/tjsj/tjbz/tjyqhdmhcxhfdm/2018/62/12/02/621202108.html
|script-title = zh:2018年统计用区划代码和城乡划分代码：三河镇
|publisher = National Bureau of Statistics of the People's Republic of China
|language = Chinese
|accessdate = 2019-03-20
}}