| Sanmen Town | |
| Native Name: | 三门镇 |
| Native Name Lang: | zh |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Guangxi |
| Subdivision Name2: | Guilin |
| Subdivision Name3: | Longsheng Various Nationalities Autonomous County |
| Area Total Km2: | 327.88 |
| Population Total: | 14,500 |
| Population As Of: | 2018 |
| Population Density Km2: | auto |
| Coordinates: | 25.7311°N 109.8636°W |
| Pushpin Map: | China Guangxi |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Guangxi |
| Timezone: | China Standard |
| Utc Offset: | +08:00 |
| Postal Code Type: | Postal code |
| Postal Code: | 541703 |
| Area Code: | 0773 |
Sanmen is a town in Longsheng Various Nationalities Autonomous County, Guangxi, China. As of the 2018 census it had a population of 14,500 and an area of 327.88km2.
As of 2016, the town is divided into thirteen villages and one community:
In the Qing dynasty (1644 - 1911), it belonged to Xituan .
In early Republic of China, it came under the jurisdiction of the West District . Sanmen Township was formed in 1933. In 1947 it was under the jurisdiction of Guangfu Township .
After the establishment of the Communist State, it was renamed many times. In December 1994 it was upgraded to a town.
On June 6, 2019, the villages of Daluo and Tonglie was listed among the fifth group of "List of Traditional Villages in China" by the State Council of China.[1]
The town is located in southwestern Longsheng Various Nationalities Autonomous County. The town shares a border with Sanjiang Dong Autonomous County to the west, Lingui District and Piaoli Town to the east, Piaoli Town and Longsheng Town to the north, and Yongfu County and Rong'an County to the south.
The Sanmen River flows through the town.
The region is rich in soapstone.
The Huaping National Nature Reserve is located in the town.