The fish mouth water dike, as the name implies, refers to the shape of the fish mouth water dike, this is the essence of Dujiangyan water conservancy project, it is held high in the heart of the Lijiang River, the Lijiang River divided into two rivers inside and outside. The west side is called the Waijiang River, commonly known as the "Jinma River", is the main stream of the Lijiang River, mainly used for flood drainage; The eastern foot of the mountain is called the Neijiang River, which is an artificial water channel, mainly used for irrigation. The significance of the fish mouth is to play the role of water separation and sand separation of the river. The river water flowed straight down during the rainy season and flowed into the Outer River. In the dry water period, enough water is reserved to flow into the Neijiang River, so that the Chengdu Plain Woye is thousands of miles away. The Yuzui project is almost the last part of the Dujiangyan Scenic Area, and the distance from the main entrance is slightly farther. Tickets for Dujiangyan Scenic Area are 80 yuan. Tickets bought on-site and online reservations are all swiped ID cards to enter. It is a pity that there is no paper ticket. You can play according to the attractions on the ticket. There is a sightseeing car to Yuzui, and the round trip is only 30 yuan. The price is not expensive but there are many people in line. You must know that Dujiangyan Scenic Area is a world heritage site, and the off-season is also crowded. So it is recommended to walk there. The whole scenic area is only 5-6 hours to complete the in-depth tour. Recommended tour route: Dujiangyan Scenic Area is away from the gate of Duimen → Wotie Square → Qingxi Garden → Fulongguan → Baopingkou → Feisha → Yuzui. After watching the fish mouth, you can go up the mountain to the scenic spots such as Yugongtang, Erwang Temple, Songmao Ancient Road, Yuleiguan, Mawang Palace, Chenghuang Temple and other attractions. Traveling with the group often come back to the scenic spot, must go down the second half, you can go up the mountain to the spectacular of the eel mouth project and the panoramic view of the entire Dujiangyan scenic spot. I am clockwise, an older youth who loves travel, photography and punching in. Although not a professional traveler, travel is already a compulsory course in my life and an indispensable part of my life. I love casual photography and share my journey experience and experience. If you think my notes are helpful, please give me a compliment and encouragement.