| Barmsee | |
| Location: | Oberbayern, Bavaria |
| Coords: | 47.5°N 11.2472°W |
| Lake Type: | Meromictic |
| Inflow: | Gruberseebach, Seebach |
| Outflow: | Barmseebach |
| Pushpin Map: | Bavaria |
| Catchment: | 3km2 |
| Basin Countries: | Germany |
| Length: | 0.49km (00.3miles) |
| Width: | 1.12km (00.7miles) |
| Area: | 0.55km2 |
| Depth: | 16.49m (54.1feet) |
| Max-Depth: | 30.6m (100.4feet) |
| Volume: | 9070000km3 |
| Residence Time: | unknown |
| Shore: | 3.3km (02.1miles) |
| Elevation: | 885.03m (2,903.64feet) |
| Islands: | none |
| Cities: | Wallgau, Klais |
| Reference: | https://web.archive.org/web/20110718202013/http://www.wwa-wm.bayern.de/service/infomaterial/doc/barmsee.pdf |
Barmsee is a lake in Oberbayern, Bavaria, Germany. At an elevation of 885.03 m, its surface area is 55 hectares.