alpine forest trails in a typical winter environment and under fresh snow cover on the swiss alps mountain massif, klosters

environment switzerland destination background attraction graubnden landscape mountains beautiful panoramic undefined mountain klosters vacation outdoors panorama typical grisons schweiz holiday tourism weather climate outdoor station scenery journey covered extreme alpine forest trails winter massif canton kanton summer travel nature europe hiking season change summit scenic voyage fresh cover swiss sport slope range snow alps rock peak cold high trip view walk sky ice ski top