| Vorderer Langbathsee | |
| Location: | Ebensee |
| Lake Type: | Oligotrophic |
| Inflow: | Pfrillenbach, aquifers |
| Outflow: | Langbathbach |
| Catchment: | 13.8km² |
| Basin Countries: | Austria |
| Pushpin Map: | Austria Upper Austria |
| Designation: | Nature reserve |
| Length: | 1.1km (00.7miles) |
| Width: | 500m (1,600feet) |
| Area: | 33ha |
| Max-Depth: | 33m (108feet) |
| Volume: | 5500000m2 |
| Residence Time: | 0.87 |
| Elevation: | 664m (2,178feet) |
| Reference: | [1] [2] |
| Hinterer Langbathsee | |
| Location: | Ebensee |
| Lake Type: | Oligotrophic |
| Inflow: | Hirschbach, aquifers |
| Outflow: | Pfrillenbach |
| Catchment: | 9.8km² |
| Basin Countries: | Austria |
| Designation: | Nature reserve |
| Pushpin Map: | Austria Upper Austria |
| Length: | 500m (1,600feet) |
| Width: | 400m (1,300feet) |
| Area: | 10ha |
| Max-Depth: | 18m (59feet) |
| Volume: | 900000m2 |
| Residence Time: | 69 days |
| Elevation: | 723m (2,372feet) |
| Reference: | [3] |
The Langbathseen are two mountain lakes (Vorderer Langbathsee and Hinterer Langbathsee) in Upper Austria's part of the Salzkammergut, 8km (05miles) from Ebensee. Its excellent visibility makes the Vorderer Langbathsee a popular diving site.