Lucerne is just about 1 ½ hours away from Interlaken. Enjoy a day in Lucerne, the city won’t disappoint you. Avant-garde has its place in form of the futuristic KKL from Jean Nouvel just like the points of interest, which lie in Lucerne for centuries.
The mountains Titlis and Pilatus are easy reachable. Visit the city, enjoy a beautiful landscape and walk along the Quays.