Čertova pec is 27 meters long and is a two-sided accessible cave, located in the Považský Inovec mountain range. The cave was inhabited by Neanderthals in the past and is the oldest documented cave settlement in Slovakia. The public can visit the cave year-round. Access is from the village of Radošina. You can park your car in front of a nearby motel on the road from Radošiny to Piešťany.Čertova pec is 27 meters long and is a two-sided accessible cave, located in the Považský Inovec mountain range. The cave was inhabited by Neanderthals in the past and is the oldest documented cave settlement in Slovakia. The public can visit the cave year-round. Access is from the village of Radošina. You can park your car in front of a nearby motel on the road from Radošiny to Piešťany.