winter hiking trail in the direction of the zervreilahorn above zervreilasee reservoir. nice views of the snowy mountain

activity adventure alpine alps backcountry background beautiful blue breathtaking clouds fanellhorn glacier graubnden grison hiking landscape magic mountain mountaineer mountaineering mountains nature outdoor peak peaks range rock scenic skier skitour sky slope snow sport summit swiss switzerland tour touring trekking vals view winter lake reservoir way trail zervreilahorn