Lüchun County () is located in Honghe Hani and Yi Autonomous Prefecture, in the south of Yunnan province, China, bordering Vietnam's Lai Châu Province to the south.
Lüchun is located in southwestern Honghe Prefecture in southeastern Yunnan. It borders Honghe County to the north, Jinping Miao, Yao and Dai Autonomous County and Yuanyang County, Yunnan to the east, Jiangcheng County to the west and Mojiang County to the northwest. It also borders the Muong Te District of Lai Châu Province, Vietnam to the south.
Lüchun County has 4 towns and 5 townships.
Lüchun County was created in 1958 from 6 village offices of Yuanyang County, Honghe County, Jinping County and Mojiang County.
The Lüchun County Gazetteer (1992) lists the following ethnic Hani subgroups (highlighted in bold) and their respective locations.
Ethnic Yi subgroups (all of which speak Southern Yi language varieties according to Lüchun 1992) and their respective locations are:
The Luoluopo å®å®颠(lo33 lo55 pho21) or Luopo å®颠(lo55 pho21) are found in Luopan Shangzhai ç½ÂçÂÂä¸Â寨, Jinping County and in Zhongzhai ä¸Â寨, Dashuigou 大水沠Township, Lüchun County. The Luopo of Jinping believe that their ancestors had migrated from Pu'er and Mojiang County, while the Luopo of Lüchun believe that their ancestors had migrated from Dali.