|View from Pitzenegg (2179 m) to the west. Left the Heiterwanger See, right parts of the Plansee.|
|Geographical location||Tyrol , Reutte district|
|Tributaries||Grundbach (from the west)
Pitzenbach (from the east)
|Drain||Plansee (to the northeast)|
|Location close to the shore||Cheerfulness|
|Altitude above sea level|
|Maximum depth||60 m|
|Middle deep||40 m|
The lake is 1.37 km² in size and a maximum of 60 m deep, has two above-ground inflows and one outflow (300 m long connecting channel to the Plansee ). It is used together with the Plansee by the Reutte electricity works as a storage facility and is reduced in the winter months. The low biomass of floating algae and the great depth of view (up to 15 m) show that there is a lack of nutrients and thus an excellent state of water.
The lake's abundance of fish was known far and wide, and fishing rights often alternated. Emperor Maximilian I was also often at the Heiterwanger and Plansee for fishing and hunting.
One of the highest commercial shipping lines in Austria operates on Heiterwanger and Plansee and offers tours from late May to autumn. Boarding points are at the three hotels “Fischer am See”, “Forelle” and “Seespitze”.