Sonntag Stein is a small ski resort in Sonntag, Vorarlberg, Austria, offering 7 km of slopes and 1.5 km of ski routes. The resort has 3 lifts, including a gondola lift that takes 7 minutes to reach the top from the village. The ski area boasts 850 meters of vertical descent and is suitable for families and beginners. The resort is part of the Großes Walsertal biosphere park and offers a winter hiking trail for non-skiers.