Gaag (canal)
The Gaag is a canal in the Dutch province of South Holland . It connects the villages of Den Hoorn and Schipluiden in the large municipality of Midden-Delfland . At Schipluiden the Gaag merges into the Vlaardingervaart . The continuation of the Gaag Canal from Den Hoorn to Delft is called Buitenwatersloot . The Gaag has a length of 2 km.
A junction, the Oostgaag, leads southwest of Schipluiden towards the village of Maasland , where it merges into the Westgaag. In 1998 the Gaag was tunneled under for the A4 motorway.