alpine peaks matthorn, esel and steiglihorn in the mountain massif or mountain pilatus over the lake lucerne or vierwaldstaetersee

adventure alpine alps amazing background beautiful beauty canton climbing esel extreme forest geology grass green high hiking hill lake lakeside landscape lucerne majestic massif matthorn mount mountain mountains natural nature obwalden outdoor outdoors panorama panoramic peaceful peak peaks pilatus range ridge rock rockies rocky scenery scenic schweiz steiglihorn stone summer summit swiss switzerland terrain top tranquil trees vierwaldstaetersee vierwaldstattersee view wanderlust wilderness