The lake was created through the flooding of the former Haselbach open-cast mine, which ceased operations in the late 20th century.
It is a trans-state lake, with its surface area divided between the municipalities of Regis-Breitingen in Saxony and Haselbach in Thuringia.
The maximum water depth reaches approximately 60 meters in certain areas of the basin.
The site serves as a vital habitat for various species of waterfowl, which use the reed-fringed banks for nesting.
It is connected to the broader Leipziger Neuseenland hydrological system, designed to transform old industrial pits into recreation landscapes.
Haselbacher See is a large reclaimed lake situated in the Leipziger Neuseenland region, formed by the flooding of a former open-cast brown coal mine. The lake spans approximately 330 hectares and straddles the border between the federal states of Saxony and Thuringia. It is characterized by its significant depth and clear water, which attracts divers, swimmers, and sailors. Large portions of the surrounding area are designated nature conservation zones to protect local bird populations and indigenous flora. The shoreline features varied terrain, including sandy beaches and natural meadows, catering to diverse recreational activities. It remains one of the largest bodies of water in the former Central German coal mining district.
The elevated viewing points along the northern ridge offering a panoramic perspective of the lake basin.
Bring portable sun protection, as the shoreline lacks mature forest cover in many areas.
Use designated parking areas near the access points rather than attempting to park on unpaved agricultural paths.
Check local signage for specific restricted zones where entry is prohibited to protect nesting ground-breeding birds.
Attempting to access private, fenced-off sections of the former industrial perimeter, which may still have unstable terrain.
Maintain strict noise control and stay within marked paths in the nature conservation areas; swimming is only permitted at designated beach zones.