Due to its location on the shore of Lake Lucerne ( VierwaldstÃ ttersee ) within sight of the mountains Pilatus and Rigi , Lucerne is mainly a tourist destination . Due to its location on the shore of Lake Lucerne ( der VierwaldstÃ ttersee ) , within sight of Mount Pilatus and Rigi in the Swiss Alps , Lucerne has long been a destination for tourists .