black lake in the mountains above zermatt

active adventure alps below black climbing cloud clouds copy extreme famous fitness footpath glacier hike hiking ice icy lake landscape lifestyle matterhorn mirror mount mountain mountainbike mountains mtb nature outdoor path peak range reflection retreat rock scenery scenic schwarzsee sky snow snowcapped solitude space sport summer summit sunny swiss switzerland switzerlandn tourism tranquil travel valais valley view wallis water zermatt zermattcanton zmutt