Watch live De Kolk canal, in the city of Maassluis in the western Netherlands. This moving HD cam from the Nationaal Sleepvaart Museum (Dutch National Maritime Towing Museum), displays the delightful waterfront along the De Kolk. Maassluis, whose historic centre is partly in an island, is a picturesque city with a lively feel. To explore Maassluis in the region of South Holland, Netherlands, please find our map by scrolling down the page.