view of the alpine massif rigi and lake luzerne or vierwaldstaettersee or vierwaldsattersee from the burgenberg

adventure alpine alps background beautiful blue burgenberg canton clear climbing cloud destination eco ecology environment extreme forest green hiking hill horizon lake landscape luzerne majestic massif mountain nature nidwalden obbuergen obburgen outdoor outdoors panorama panoramic peak range ridge rigi rock scene scenery scenic season sky sport summer summit swiss terrain top tourism tranquil travel trek vierwaldsattersee vierwaldstaettersee view wanderlust wilderness