The Dunderfosse’s western edge was bounded by a mountain range so high its icy caps were lost in cloud year-round. Gom’s spur led up the grandest peak of all, called Snawbyr Crygg. On gazing up at it you’d certainly be awestruck. You’d never dream, though, as even Gom did not, that it was hollow, and that people dwelt therein. . . .