If you are a fan of Slovenský Raj (Slovak Paradise), where you can hike on steps and ladders, you should definitely check a similar path in Malá Fatra, called Jánošíkove Diery.
It is a system of gorges and canyons located in the Rozsutec nature reservation. They consist of three parts: Dolné Diery (Lower Holes), Nové Diery (New Holes) and Horné Diery (Upper Holes). Dierový Potok (Hole Stream) flows in between the holes it formed. There are more than 20 waterfalls in Dierový Potok.
Visitors of Diery, the simple name for Jánošíkove Diery, usually start from Terchová. The education path leads through Dolné Diery, while Horné Diery remains closed in winter.