Grundlsee is a municipality in the Liezen District of Styria, Austria. The municipality includes 151.54 km ² large parts of the Ausseerland and the Dead Mountains. The village is located directly on Grundlsee lake. Contents Geography Location The community Grundlsee is located in Ausseerland in the Styrian Salzkammergut in the district of Liezen, Styria. Grundlsee is located at 732 m above sea level directly on the Grundlsee on the southwestern edge of the Totes Gebirge. The five villages of the municipality are located in an elongated valley on the shores of the Grundlsee, which is framed on three sides by the approximately 1000 meters towering foothills of the Dead Mountains. The valley has an east-west length of about ten kilometers (to theKammersee ) and a width of about one kilometer in a north-south direction with the only opening to the west to the Bad Ausseer basin. The most striking mountains that frame this valley are the Hundskogel ( 1748 m ), the Backenstein ( 1772 m ) and the Reichenstein ( 1913 m ) in the north, the Elm ( 2128 m ), the Große Hochkasten ( 2389 m ) and the Weiße Wall ( 2198 m ) in the east, the Turkenkogel ( 1756 m) and the Röthelstein ( 1614 m ) in the south. The highest mountain Grundlsees is the large high box with 2389 m at the border to Upper Austria. The inhabited area has an average height of 750 m. Due to the alpine position and the strong proportion of the Dead Mountains, about 75% of the municipality consist of alpine wastelands, the rest are forests, grassland and other forms of land. Waters The Grundlsee is 4.22 km ², the largest lake in Styria and is drained by the Grundlseer Traun, one of the three source rivers of the Traun. It is fed by the Stimitz, the Zimitzbach and the Toplitz, the Entwässerungsbach of lying in the community Toplitzsees. In addition, there are the Dreibrüdersee, the Elmsee, the Henarsee, the Kammersee and the Lahngangseen in the municipality, as well as the source waters of the Traun, the so-called Traun origin. Geology The Dead Mountains, whose foothills surround Grundlsee on three sides, consist mainly of limestone and dolomite, which originated in the Mesozoic seas, especially the Triassic and Jurassic, about 210 to 135 million years ago. In the north of the municipal area occurs mainly the Plass