How is the Min River formed near Nanping?

The Min River is formed at Nanping through the confluence of three major river systems that drain the interior of Fujian province. These three source streams are:123

• The Jian River, which flows from the northern mountains along the border of Jiangxi and Zhejiang provinces.12
• The Futun River (also known as the Shaowu), which flows from the eastern slopes of the Wuyi Mountains in the west.12
• The Sha River, which flows from the south and southwest, also originating on the eastern slopes of the Wuyi range.12

At Nanping, the waters of these three tributaries unite to form the Min River, which then flows southeast toward Fuzhou and the East China Sea.12