Lake Thun, located in the Bernese Oberland region of Switzerland, is a picturesque destination offering stunning views of the Eiger, Mönch, and Jungfrau mountains. Visitors can enjoy boat trips on the lake, explore historic castles, and take in the beauty of lakeside towns like Thun and Interlaken. With its vibrant blue waters, lush green meadows, and snow-capped peaks, Lake Thun is a must-visit spot for nature lovers and adventure seekers alike. The ferry is included with your Swiss pass, allowing you to stop at many of the picturesque towns along the lake.