The scientific name of a ditch is "Shuntong Rainbow Trout Breeding Center". In Beijing, mentioning Huairou, people know that it is a beautiful place with good water and many trees. Mention of Huairou District's Lotus Pond Village, I'm afraid not many people know, but to say "rainbow trout a ditch", it is absolutely famous. Rainbow trout is just a cold-water fish in the mountain streams of California, the United States, in 1993, when the Shentangyu Scenic Area fire, rainbow trout also dipped in the light, introduced to Huairou.

Lotus pond rainbow trout a ditch is a rainbow trout, golden trout, salmon, sturgeon and other cold-water fish farming as the center of the establishment of a set of barbecue rainbow trout, eat farm dinner, live in a farmhouse, climb the Great Wall, horseback riding as one of the comprehensive rainbow trout a ditch. The reason why this ditch is called Lotus Pond Rainbow Trout Ditch is because the water source of Lotus Pond's mountain springs is rich (3M3/sec) and contains abundant minerals, which is the most suitable for the reproduction and growth of rainbow trout, golden trout, salmon, sturgeon, and other cold-water fish, etc. In 1989, with the deepening of the reform and opening up and the development of rural economy, more and more people from the city came to Lotus Pond to taste rainbow trout, which led to the increase of rainbow trout breeding in Lotus Pond, which is the best place to enjoy rainbow trout, and the supply of the farms. Lianhua Pond Folk Village and Beijing people to come here to invest in construction, the formation of different forms of recreational fishing, and gradually developed into today's resounding at home and abroad "Lianhua Pond rainbow trout a ditch".