Geistsee

Infobox lake
lake_name = Geistsee
image_lake = Geistsee02.jpg
caption_lake =
image_bathymetry =
caption_bathymetry =
location = Längenbühl, Canton of Berne
coords = coord|46|45|41|N|7|32|4|E|type:waterbody_region:CH-BE_source:dewiki|display=inline,title
type =
inflow =
outflow =
catchment =
basin_countries = Switzerland
length =
width =
area = 0.95 ha
depth =
max-depth =
volume =
residence_time =
shore =
elevation = 660 m
islands =
cities =
frozen =

Geistsee is a lake at Längenbühl in the Canton of Berne, Switzerland. Its surface area is 0.95 ha. The lake is private property and not accessible by the public.