Cangyuan Wa Autonomous County (Cangyuan County), subordinate to Lincang City, Yunnan Province, is located in the southwest of Lincang City, between 98 ° 52 '- 99 ° 43' E and 23 ° 04 '- 23 ° 40' N. Cangyuan is commonly known as Awa Mountain Area, also known as "Hulu Wang Di", bordering Gengma Dai and Wa Autonomous County in the north, Shuangjiang Lahu Wa and Bulang Dai Autonomous County in the east, and Lancang Lahu Autonomous County in the southeast, The west and south are bordered by Mengmao County and Nandeng Special Zone, the second special zone of Shan State in Myanmar, with a border length of 147.08 kilometers. The total area is 2446.43 square kilometers. By 2022, Cangyuan Wa Autonomous County has jurisdiction over 4 towns and 6 townships. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Cangyuan Wa Autonomous County was 160262.

Cangyuan Wa Autonomous County is high in the north and low in the south, belonging to the subtropical low-latitude mountain monsoon climate. It has jurisdiction over 4 towns and 6 townships, and the government is in Mengdong Town. Cangyuan Wa Autonomous County is a national Class II open port. It is an important channel and one of the main gateways for Yunnan to connect Southeast Asia and South Asia, and an important bridgehead and forefront window for the opening up of the motherland to the southwest and the border.

Cangyuan Wa Autonomous County has Wengding Primitive Tribal Cultural Tourism Area, Cangyuan Hulu Town, Sigangli Cliff Painting Valley Scenic Spot and other scenic spots. In 2019, Cangyuan Wa Autonomous County was named as the National Demonstration County of National Unity and Progress by the National People's Commission. In March 2020, Cangyuan Wa Autonomous County won the title of Advanced County for National Village Cleaning Action. In 2021, Cangyuan Wa Autonomous County will achieve a GDP of 5871.95 million yuan.