mountain buergenberg or burgenberg and the top of buergenstock or burgenstock surrounded by the lucerne lake

isolated mountain buergenberg or burgenberg top buergenstock burgenstock surrounded lucerne lake canton switzerland alpine alps beautiful beauty blue central cold color destination europe european forest green high hill holiday landmark landscape light lucern luzern mount nature outdoor panorama panoramic peak reflection river scene scenic schweiz sky skyline spring summit swiss tourism tourist town tranquil travel vacation view wanderlust water