Dagu Glacier, located in Heishui County, Aba Tibetan and Yi Autonomous Prefecture, Sichuan Province, is a natural ecological tourism area integrating glaciers, snow-capped mountains, forests, wildlife and meadows, and is known as the "most attractive new beauty" and "the best holiday tourist destination in Sichuan". In 1992, Japanese scientists discovered Dagu Glacier, and came to Blackwater in August of the same year to visit Dagu Glacier and considered that Dagu Glacier is the lowest altitude, largest area and the youngest glacier in the world.