Wattenmeer
Type: Mud Flats
Image provided by Wikimedia Commons
Image author: ©Muns
The UNESCO World Natural Heritage Site Wattenmeer covers a length of 450 km (280 mi) and a width of up to 40 km (25 mi) in the Netherlands (30% of its area), covering the entire German North Sea coast (60%), and up to Denmark (10%). It’s the largest mud flats in the world, with an exposed surface at low tide. Twice a day during high tide it’s flooded, only to often flow out in deep tidal creeks. It provides nourishment for many animals. Because of its uniqueness it has been added to the List of National Geotopes.