Laudachsee

Infobox lake
lake_name = Laudachsee
image_lake = Katzenstein.jpg
caption_lake = View from Katzenstein down to the Laudachsee.
image_bathymetry =
caption_bathymetry =
location = Salzkammergut, Upper Austria
coords = coord|47.878889|N|13.852778|E|region:AT-4_type:waterbody_source:dewiki|format=dms|display=it
type =
inflow =
outflow = Laudach
catchment =
basin_countries = Austria
length = 400 m
width = 400 m
area = 0.1 km²
depth = 15 - 26 m
max-depth = 26 m
volume =
residence_time =
shore =
elevation = 894 m
islands =
cities =
frozen =

Laudachsee is a lake between the mountains in the Upper Austrian part of the Salzkammergut and neighbour to the larger Traunsee. Beside are the mountains Traunstein and Grünberg.

In the summer the lake reaches about + 20 °C. It drains through Laudach, Alm, Traun into the Danube.