Aroania , also known as Chelmos (Χελμός, from South Slavic chlmo, summit), is a mountain range in Achaea, Peloponnese, Greece. At 2,355 m elevation, Aroania is the third highest mountain of the Peloponnese, after Taygetus and Kyllini, and the highest in Achaea. The largest town near the mountain is Kalavryta. The municipal unit Aroania took its name from the mountain.