Ocna Sibiu is a tourist resort located in the center of Sibiu County, famous for its salt lakes that are in the area. The lakes were formed when the salt mines were exploited, they have a particular importance in the area.
Salt lakes are former salt mine which collapsed, most with very high salt concentration. The deepest lake, Lake Avram Iancu (resulting in the former The Big Ocna mine) has a depth of 132 meters, the deepest lake in the country due to human action.
Ocna Sibiu is a tourist resort, known for its therapeutic properties of water.