Langbathseen

Vorderer Langbathsee
Vorderer Langbathsee Location within Upper Austria
Location	Ebensee
Coordinates	47°50.1′N 13°40.87′E
Lake type	Oligotrophic
Primary inflows	Pfrillenbach, aquifers
Primary outflows	Langbathbach
Catchment area	13.8 km2 (5.3 sq mi)
Basin countries	Austria
Designation	Nature reserve
Max. length	1.1 km (0.68 mi)
Max. width	500 m (1,600 ft)
Surface area	33 ha (82 acres)
Max. depth	33 m (108 ft)
Water volume	5,500,000 m3 (4,500 acre⋅ft)
Residence time	0.87
Surface elevation	664 m (2,178 ft)
References

Hinterer Langbathsee
Hinterer Langbathsee Location within Upper Austria
Location	Ebensee
Coordinates	47°49.85′N 13°39.18′E
Lake type	Oligotrophic
Primary inflows	Hirschbach, aquifers
Primary outflows	Pfrillenbach
Catchment area	9.8 km2 (3.8 sq mi)
Basin countries	Austria
Designation	Nature reserve
Max. length	500 m (1,600 ft)
Max. width	400 m (1,300 ft)
Surface area	10 ha (25 acres)
Max. depth	18 m (59 ft)
Water volume	900,000 m3 (730 acre⋅ft)
Residence time	69 days
Surface elevation	723 m (2,372 ft)
References

The Langbathseen are two mountain lakes (Vorderer Langbathsee and Hinterer Langbathsee) in Upper Austria's part of the Salzkammergut, 8 kilometers (5.0 mi) from Ebensee. Its excellent visibility makes the Vorderer Langbathsee a popular diving site.