Considering the Susi's Bed and Breakfast Interlaken in Interlaken?
A VT member wrote the following comment about visiting Interlaken:
Eiger Glaicier Guest House by btex
I walked up to the Eiger Glaicier Guest house from Kleine Sch. The snow hadn't melted yet - at times I was waist deep in it. I didn't go inside or spend the night, but I guess you can get a room; sleeping under the Eiger would probably be quite an experience.
http://www.jungfraubahn.ch/english/pages/RE/RE_AtOr4.shtm