Rapoldi-Weiher

Infobox lake
lake_name = Rapoldi-Weiher
image_lake = Weiher with Island.jpg
caption_lake =
image_bathymetry =
caption_bathymetry =
location = Innsbruck, Tyrol
coords = coord|47.26713|N|11.392758|E|region:AT-7_type:waterbody_source:dewiki|display=inline,title
type =
inflow =
outflow = Artificial outflow to the Sill River
catchment =
basin_countries = Austria
length =
width =
area = 1.5 ha
depth =
max-depth =
volume =
residence_time =
shore =
elevation = 575 m
islands =
cities = The Rapoldi-Weiher lies in the park with the same name in the district "Pradl" in "Innsbruck". It was errected as recreation area. With an area size of 1.5 ha the Lake is a larger waters in the city area. Streetcar Line 3 stops in front of the park.

The Lake possesses an artificial feed pipe, which takes the water from the Sill River subterraneously and supplies the Lake with it. An outflow with 70 metres length leads the water back into the river. Nevertheless the Lake is soiling more and more. Algae spread sporadically and make the water brown. The critial C grade quality is an alarm signal for the city administration to take actions in time before the Lake turns into a dead zone. The Lake is a protected living space for various kind of ducks and carps though.