Their natural, unregulated streambeds—lined with trees and shrubs, full of pools, rapids, and waterfalls—provide habitat for a wide range of wildlife. Among them is the stone crayfish, a highly sensitive indicator species of pristine watercourses, as well as numerous amphibians, dragonflies, beetles, and butterflies.

Due to its impermeable bedrock, Pohorje is rich in streams that criss-cross the landscape. The sound of flowing water, along with its many breathtaking waterfalls and pools, is something visitors long remember from their journeys through Pohorje.