Krakrak Mountains are some of the worlds deadliest mountain ranges. The Peaks were stripped of their Soils millennia ago and are now hard cold rocks. Rock Trolls, stripped bare, are angry and will kill anyone they see. Some creatures exist within caves, eaking out an existance by eating everything that comes their way.
The Dwarves of Kak Kanuk have managed to Etch a Passage between Albius and Kievan-Rus, but they charge a pretty penny or 5 to get through.