stubai high-altitude hiking trail in tyrol, austria

stubai highaltitude hiking trail tyrol austria stubaier hohenweg longdistance alps stubaital valley hiker long distance summer summertime mountain range mountains stages sports alpine high tour starkenburg hut franzsenn neue regensburger dresdner sulzenau nurnberg bremer innsbruck neustift fulpmes hike landscape adventure europe path panorama view climate weather change tourism travel