Považský Inovec or Váh Inovec is a mountain range in western Slovakia, named after the Váh river. It is 48 km (30 mi) long and 15-25 km (9-16 mi) wide mountain range. It is situated from the city of Hlohovec, raising from the Danubian Hills, and slowly raising further north until nearly to the city of Trenčín where it borders the Strážov Mountains, where is also the highest hill of the entire mountain range, Inovec (1042 m). The mountain range separates basins of the Váh and Nitra rivers.
There are many monuments in or near the mountain range, including Great Moravian hillfort Kostolec near Ducové, Hlohovec Castle near Hlohovec, Beckov Castle near Beckov, Topoľčany Castle and Tematín Castle. The famous spa city of Piešťany lies under Považský Inovec.