Where is the highest mountain on Earth? Do groundhogs go to the bathroom in winter? How is a glacier formed? Why don’t ibexes hurt themselves when they jump? Some mountains have faces, and some stones can speak. Just like the millions-of-years-old Egon, who shows his new friends Lotta and Max his home, the mountains. How were the mountains actually formed? What animals and plants live here? Together with the cozy groundhog Frizzi and the energetic mountain echo, the children embark on an exciting mountain expedition, crossing mountain streams, exploring volcanic landscapes, and reaching icy glaciers. An audio adventure full of inspiration and ideas for little and big summit climbers.