Steinhuder Meer
Lake Steinhude, , , is a lake in Lower Saxony, Germany located northwest of Hanover. Named after the nearby village of Steinhude, it has an area of about , making it the largest lake of northwestern Germany. At the same time, Lake Steinhude is very shallow, with an average depth of only and a maximum depth of less than . It lies within a region known as the Hanoverian Moor Geest. Geology It is part of the glacial landscape formed after the recession of the glaciers of the latest Ice Age, the Weichselian glaciation. There are two theories regarding how the lake of Steinhude was formed. One of them says that glaciers gouged out the hole and meltwater filled it. The other theory states that an ice storm formed the hole and as the groundwater rose, the lake was created. In its middle there is a small artificial island carrying an 18th-century fortification, the Wilhelmstein. Today the lake is the heart of a nature reserve, the Steinhuder Meer Nature Park, and is also used as a recreational area. Islands The lake has two islands, both of them artificial: Wilhelmstein () off Hagenburg was built between 1761 and 1765. It was