Wienerwald Biosphere Reserve

UNESCO Biosphere Reserve, inscribed 2005, in Austria. The Wienerwald Biosphere Reserve covers an undulating landscape between the Northern Alps and the Pannonian Basin, to the west of the city of Vienna. On the eastern slopes of the Wienerwald there is a geological rupture zone with hot springs. The area also features impressive marine terraces of a former sea. The limestone part of the Wienerwald is characterised by steep and rugged limestone and dolomite rock formations, as well as sharply cut gullies.