Tamsui River

The Tamsui River (formerly romanized as Danshui River, ) is a river in northern Taiwan.
Geography.
The Tamsui River begins at the confluence of Xindian River and Dahan River at the western boundary of Taipei and New Taipei City, just north of Banqiao District, and flows northward and northwestward, passing the eponymous Tamsui District, then emptying into the Taiwan Strait. Formerly known as the "Dolatok River", it is one of the few rivers in the island that flows along a north–south direction.
The river's three tributaries are the Xindian River, Dahan River and Keelung River. The Dahan River is the main tributary and has its headwaters in the Pintian Mountain in Hsinchu County and flows through Hsinchu County, Taoyuan City and New Taipei City. As a river system including the Dahan River, the Tamsui River has a total length of and a drainage area of .
A major artificial distributary on the left bank of the Tamsui, the Erchong Floodway, was completed in 1984 as part of a flood control scheme for the Taipei Basin.
Pollution.
The Tamsui River is heavily polluted by both raw sewage and industrial pollution from illegal industry. Clean up and natural river restoration is on the agenda of the Taipei City Government, Taiwan Central Government and several citizen organizations.
Bridges.
Several famous bridges run across the river, such as: