Sunset at Lake Plau Lake Plau in Mecklenburg-Western Pomerania is a beautiful lake approximately 14 km long in the heart of Mecklenburg-Western Pomerania. Surrounded by stunning natural scenery and charming little towns the region is well worth a visit. You can travel by boat on the Elde River westward to the Elbe River and eastward to Lake Müritz and onward to Berlin.