Kim Hy Nature Reserve was established in 2003, stretching across the territory of Vu Muon, Cao Son communes (Bach Thong district) and Luong Thuong, An Tinh, Kun Minh (Na Ri district), Bac Kan province. Kim Hy is considered a place that preserves the wild beauty of amazing nature. Scientists today highly appreciate the diversity of rare animals and plants here.