Ailao Mountain National Nature Reserve is located in Yunnan Province, China. Established in 1988, it covers an area of approximately 1,200 square kilometers. The reserve is known for its rich biodiversity, including various species of plants and animals, some of which are endemic to the region. The mountainous terrain features diverse ecosystems, ranging from subtropical forests to alpine meadows. The reserve is also home to the Ailao Mountain, which reaches an elevation of over 3,300 meters. It serves as an important habitat for wildlife, including the endangered Yunnan golden monkey. The area attracts researchers and nature enthusiasts, offering opportunities for hiking and studying the unique flora and fauna.