winter atmosphere on the thur river in the thurtal valley and in the swiss alpine region of obertoggenburg, unterwasser

action active activity adventure alpine alps atmosphere background cold cool downhill extreme fir forest freeride frost frozen fun high hill holiday ice landscape leisure lifestyle lift mountain mountains nature obertoggenburg outdoor panorama people piste powder recreation region river schweiz season skier skiers skiing snow snowboard snowboarding snowy speed sport swiss switzerland thur thurtal tourism travel unterwasser vacation valley white winter