Mudflat hiking (Danish: Vadehavsvandring, Dutch: Wadlopen, West Frisian: Waadrinnen, German: Wattwandern) is a recreation enjoyed by Dutch, Germans, Danes, and others in the Netherlands, northwest Germany and in Denmark. Mudflat hikers are people who, with the aid of a tide table, use a period of low water to walk and wade on the watershed of the mudflats, especially from the Frisian mainland coast to the Frisian islands.The Wadden Sea, a belt of the North Sea, is well suited to this traditional practice. Belts of this shallow sea lie off the mainland of the Netherlands, between Friesland and...