The Riverside Park along Erchong Floodway used to be the ﬂood spill way of Greater Taipei. Ater the realignment by the New Taipei City government, it has become a green land of about 800 hectares, the largest city park for sight-seeing in Greater Taipei area, famous leisure point of interest and a pride of Sanchong people. On the broad grass land, you can have a walk, ﬂy a kite, play ball games or ride a bicycle at will. There is a bicycle path here with a length of about 20 km, the longest in Taiwan. There are also 68 muli-funcional sports grounds and 7 natural ecological parks here, a very good place for having a rest.