| Sanhe | |
| Native Name Lang: | zh-hans |
| Settlement Type: | Town |
| Pushpin Map: | China Gansu |
| Pushpin Map Caption: | Location in Gansu |
| Coordinates: | 33.3°N 105.1636°W |
| 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 |
| Unit Pref: | Metric |
| Elevation M: | 1049 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Area Code: | 0939 |
Sanhe is a town in Wudu District, Longnan, Gansu, People's Republic of China,[1] located southeast of downtown Longnan as the crow flies., it has 16 villages under its administration.[2]