Yangjiaxi originates from two peaks, namely, Zherong Dongshan Peak and Muhai Peak, and surrounds the foot of Taimu Mountain. Among them, the downstream basin is roughly divided into Jiulixi and Yangjiaxi, the lake where Wu Bei in Fuding meets Xia Ding is called Jiulixi, and the lake from Landou to Dutou is called Yangjiaxi. The Jiuli River is about 7 kilometers long, and there are many scenic spots along the way, such as Jiangjuntan, Carp Tomb, Jiuli Lake and the newly-built Jiuli Power Station. Yangjiaxi has a flow path of about 8 kilometers, with seven bends and twelve wrasses (shallow and steep beaches), which are alternately distributed along the flow pool, wrasse and beach, and the stream is crystal clear. The canyons on both sides of the strait are lush, and full of green is full of flowers and plants. Camphor tree, maple tree, beech tree, banyan tree, Phyllostachys pubescens, Phyllostachys pubescens, Bambusa bambusa, Phyllostachys bambusa, Bambusa bambusa, Dendrocalamus latiflorus, Rhododendron, Boxwood, Bromeliaceae, Phoebe bournei, Phragmites australis and so on. They are all distributed in patches, with evergreen seasons and fragrant flowers and birds. Especially striking are the streams and beaches on both sides of the Taiwan Strait. There are precious camphor trees in the forest, which are banded for more than ten miles and evergreen all the year round; There are reeds here, green in spring and summer, and white flocs everywhere in early winter; There are thousands of maple forests, the largest in the south of the Yangtze River. In late autumn, red leaves are like clouds. Adjacent to Fengxiang Forest are more than a dozen ancient banyan trees, which are said to have been planted in the early Southern Song Dynasty. After more than 800 years of vicissitudes, it is still green and shady. One of the trunks has a circumference of12.6m, which is hollow and has seven holes for people to enter. It takes about 2 hours to go down the river by raft, and you can also fly in the shoal with gravel accumulation and spray splashing, and you can swim proudly in the deep pool with clear water like a mirror. Sometimes riding a raft to break the waves is close to danger, and sometimes it goes with the flow, changing rapidly and breathtaking.

Yangjiaxi Scenic Area is about 35 square kilometers. It consists of nine communities, including Jiulixi Scenic Area, Long Ting Waterfall Scenic Area, Qiandawang Village Scenic Area, Qingliu Temple Area, Yangjiaxi Village Scenic Area, Xiapingyang Village Scenic Area, Banling Pavilion Area, Dutou Village Scenic Area and Luoxi Guishan Village Scenic Area. Now, the "Yuan Ye Ecological Recreation Zone" located between the Golden Boy Ancient Bridge and the 2-kilometer-long watershed around Shitan has been transformed, and it can be used for accommodation, fishing and swimming. It is adjacent to Fuding Yushan Island Scenic Area, Xiapu Sansha Liuyundong Scenic Area, Chian Japan Airlines Landing Point Scenic Area and Gaoluo, Dajing and Fox Xia Beach, forming a large-scale scenic spot; It is located in the middle of Yandang Mountain and Wuyishan Mountain, and has a superior geographical position. It is an ideal tourist, holiday, leisure, summer vacation, swimming and fishing resort. Yangjiaxi belongs to the "Jiulixi Waterfall Scenic Area" in the five scenic spots of Taimu Mountain, a national scenic spot. The total distance from Long Ting Waterfall to Dutou Village is 1 1.5 km, and it is known as "a paradise of sea countries".

Long Ting Waterfall consists of Wu Wen Waterfall and Wu Wen Waterfall, with a first-class drop of1.36m, which is the highest single-class drop in Fujian Province. Wu Waterfall is divided into two waterfalls with a drop of135m. There are many scenic spots 10 around the waterfall, such as general print, penholder, Jinshikou of Yanfeng, Yutuyue, general print, Xianrenzuo Mountain, Yuxiangfeng, Monkey Cave and Longdong. Go down the river for about 1km, take a bamboo raft down the river from Nandou, pass the "Ten Bends and Twelve Beaches" and arrive at Dutou Village for 2 hours. Along the way, you can browse 36 stone scenes, such as Tang Priest Bai Xi, Dharma Face Wall, Scarab Beating Tortoise, Wenguang Broken Boat, General's Cap and Sanhe Stone, which are lifelike. In Dutou Village downstream, there are two maple trees with a total area of 250 mu, not far apart, about 1 100 maple trees. In late autumn and early winter, maple leaves are reddish in yellow, just like a crimson cloud; There are 17 clusters of ancient banyan trees in the interval between the two Liquidambar formosana forests, the oldest of which is more than 800 years old. One of the banyan kings has a trunk circumference of12.6m, a crown width of 5 1 m, a height of 30m, a hollow trunk with seven holes, which can accommodate several people. It is said that this is the ancient banyan forest with the northernmost latitude in the world; Hundreds of acres of peach trees nearby are blooming in spring, and the scenery is better; There are patches of flowers on the bank of the stream, "as far as clouds", green leaves in spring and summer are like bacteria, and white flowers are everywhere in autumn and winter.

Yang Jiaxi's gentleness can easily confuse people's eyes and make them forget to go home. Especially in late autumn and early winter, maple trees are red, flowers are blooming, and the charm of Yangjiaxi is becoming more and more charming. At this time, you can sit on the bamboo raft and go downstream, let the urgent water push you to enjoy the scenery on both sides of the strait leisurely, and let the warm autumn sun shine on you for a long time. The reeds in full bloom on both sides of the river, or Bai Jie or pink, are reflected in the green mountains and green waters. Against the background of the old houses and old bridges, people swim like peers in the beautiful picture scroll.