On the riverside behind Cangshan Mountain in Dali, there are two cliff canyons hundreds of meters high, like two huge stone gates, flowing freely and rushing out, which is a magical landscape. Surrounded by rock walls, the canyon is deep and the valley streams are swift. In fact, Shimenguan is an ingenious chisel, which opens the sky in different places and has the trend of "one person defends it, and ten thousand people can't force it" Shimenguan in Yangbi, also known as "Shimenguan in Cangshan, Dali", is an important part of Cangshan National Geopark, national nature reserve and national scenic spot Canger Scenic Area. It is about 399 kilometers away from Kunming, 24 kilometers away from Dali and 8 kilometers away from Yangbi County, with a planned area of 28.2 square kilometers. The scenic spot was approved by the provincial government 1993 and announced as a provincial-level scenic spot; In 200 1 year, it was rated as a national AA-level tourist attraction. There are many famous scenic spots, such as Wusuo Shimen, Guofu Night Bell, Chengming Virtual Valley, Cliff Orchids, Xiake Forgetting to Return, Bitan Splashing Jade, Wanjuan Scripture, Lingyun Plank Road, Jade Emperor Cui Yong, Cangshan Sunset and so on. At present, Dali Yangbi Cangshan Shimenguan Tourism Development Co., Ltd. is gradually planning and developing the scenic spot by ecological restoration. It is estimated that the investment will be one billion yuan, and 1 visitor center, 2 scenic spots roads, 7 sightseeing and leisure resorts and 3 supporting service facilities will be planned and built according to the standard of 5A scenic spots, including the unique experiential high-altitude plank road in the west of China and the tourist passenger ropeway with the largest height difference in the world. "Open the Shimen and walk into Cangshan", an unspoiled tourist "virgin land" in Cangshan, Dali, will welcome domestic and foreign health, holiday and leisure tourists from all over the world with a brand-new attitude!