high alpine peaks piz linard (2767 m), lenzerhorn (2906 m) and piz mulain (2627 m)

high alpine peaks piz linard 2767 lenzerhorn 2906 mulain 2627 river albula alvra canton grisons switzerland kanton graubuenden schweiz adventure alps amazing background beautiful beauty climbing extreme forest geology grass green hiking hill lake lakeside landscape majestic mount mountain mountains natural nature outdoor outdoors panorama panoramic peaceful peak range ridge rock rockies rocky scenery scenic stone summer summit swiss terrain top tranquil trees view wanderlust wilderness