Ahornsee is a mountain lake in the Dachstein Mountains of Upper Austria.

Ahornsee
Ahornsee
Location of the lake in Austria.
Location of the lake in Austria.
Ahornsee
LocationUpper Austria
Coordinates47°28′00″N 13°46′57″E / 47.4668°N 13.7825°E / 47.4668; 13.7825
Primary inflowsunderground
Primary outflowsunderground