Ultimate Guide to Visiting Lake Thun and Lake Brienz, Switzerland

Flanking the adventure capital of Interlaken, Lake Thun and Lake Brienz showcase vivid turquoise glacial waters framed by dramatic Bernese peaks. 1. Lake Brienz and Giessbach Falls Cruise on an open-deck paddle steamer to Giessbach Falls tumbling into the brilliant turquoise lake beside a grand historic hotel. 2. Lake Thun Castles and St. Beatus Caves Explore fairytale Oberhofen Castle sitting directly in the water and wander through subterranean limestone caverns at St. Beatus Caves. Travel Tip: A Swiss Travel Pass covers all scheduled passenger boats on both lakes at zero extra cost. Marvel at brilliant turquoise waters, fairytale castles, and towering alpine summits.