In Summertime, the lakes and rivers offer a big variety of things to do: swimming, waterskiing, canyoning, river-rafting and lots more.
In Wintertime, skiing or snowboarding offers great pleasure. Skiing is best on the "Kleine Scheidegg", "Maennlichen", "First" or the famous "Piz Gloria (Schilthorn)".
The "Piz Gloria (Schilthorn)" it the shootingplace of the Bond-Movie "On her Majestys Secret Service " (1969).
Every skiing place above is accessible via Interlaken - Grindelwald except "Piz Gloria (Schilthorn)", this place is accessible via Interlaken - Lauterbrunnen.
The variety of pubs and bars in Interlaken offers "après-ski" after a heavy day on the snow. There are also a couple dancings for the later evening.
Luxury and budget hotels are all over the place, you may also consider to stay on the mountains (for ex. "Kleine Scheidegg") over night, some of the skiing places have a hostel on top of it.
Probably the most famous place in Interlaken to stay is the "Balmers Herberge", 10 minutes walk from Interlaken city center.
Quick Tips:
The "Brasserie 17/Happy Inn Lodge" is a cheap and very nice pub/bar/hostel (
www.brasserie17.ch)
Don't miss the dancing "Highlife" near the train station west.
The "Hüsi Bar Cafe" is perfect for young people (www.huesi.ch)
Best Way To Get Around:
Taxis are quite expensive, most places in town are within walking distance. Public transportation is the best way to get around a bit further, very punctual and resonable priced. Trains to Grindelwald and Lauterbrunnen, to go skiing leave Interlaken at least every hour.