Top Interlaken Underground Tours

Venture out of Interlaken to discover the natural sights and landmarks that beckon beyond the city. This small-group excursion checks off the St. Beatus Caves, the Sigriswil Suspension Bridge, the town of Thun, and Blausee, as well as an hour-long cruise on Lake Thun. Even better: Numbers are capped to just six people per tour for a more intimate, sociable atmosphere through the day.

Your journey begins by tracing the scenic shores of Lake Thun, where you'll explore the historic Spiez Castle and the hilltop fortress overlooking the charming Old Town of Thun. As the tour continues, you will cross into Bern, Switzerland’s UNESCO-listed capital city. Here, you will have the time to immerse yourself in the medieval atmosphere of the arcaded Old Town, visit the iconic Federal Palace, admire the historic Zytglogge clock tower, and experience the famous Bear Park. The return journey is equally spectacular, featuring a stop at the majestic lakeside Oberhofen Castle and a scenic drive past the entrance to the legendary St. Beatus Caves. To conclude your private adventure, you will head into the heart of the Jungfrau region to capture stunning, classic Alpine vistas in Lauterbrunnen and Grindelwald. This door-to-door, private service eliminates all guesswork and transit stress, offering you a curated, high-end look at Swiss history and nature in a single, unforgettable day.