An Alpine glacial lake 18 km long, located west of Interlaken, surrounded by snow-capped peaks and historic castles. Popular for boat cruises, swimming, and walks along the lakeside promenades. On the shore lies the town of Thun with its famous 12th-century castle.
Ticket for a cruise on BLS boats; the Swiss Travel Pass covers the ride for free. The ride to Thun takes about 1 hour and offers beautiful views of the Alps. A free walk along the shore is always possible.
