Lake Constance has several names including Bodensee. It is the second largest lake in Switzerland. Only Lake Geneva is bigger. You can fish, swim or windsurf. You can wander the streets of the many villages and towns. They take in the German flavor common to this region. More than a few choose to stay longer than a weekend. The largest city in the region is St. Galen. Wander its narrow streets. Lake Constance can then offer you Germany. The region does sit on the border. Kreuzlinger‘s border twin in Germany is Konstanz. You can cross easily between the two.