Gruner See (Green Lake)

Grüner See is a lake in Styria, Austria in a village named Tragöß. The lake is surrounded by the Hochschwab Mountains and forests. The name "Green Lake" originated because of its emerald-green water. The clean and clear water comes from the snowmelt from the karst mountains and has a temperature of 6–7 °C. During winter, the lake is only 1–2mdeep and the surrounding area is used as a county park.