250px-Mosaico Trabajos Hércules (M.A.N. Madrid) 05

Heracles reroutes the rivers

The Augean Stables were the stables of King Augeas of Elis. These stables were never cleaned before and had to be cleansed as part of Heracles' 5th labour. He cleaned them by rerouting the rivers Alpheus and Peneus through the stables.