The Keelung River originates in the mountains west-northwest of the town of Jingtong in Pingxi District, New Taipei City, flows down to a rift valley and then flows ENE to Sandiaoling. Then it flows northward to a point between Chiufen and Keelung City, and then heads back in a general WSW direction to Taipei, where it joins the Tamsui River and flows out to sea. The land around the Keelung river was rich in gold and coal, and many areas were mined.
After the river channel straightening, Keelung River is no longer a source of flooding area. Now it has been transformed into a several riverside parks, and the bicycle trails. The bicycle trails separated into left and right banks of the Keelung River, and it can be accessed from several Evacuation Gates along the river. There are guide signs along the way which briefly introducing the history of the Keelung River.
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