Lake Brienz is a stunning lake in Switzerland known for its mesmerizing turquoise waters. Visitors can easily access the lake by train from major Swiss cities like Zurich and Geneva. Once there, they can enjoy a variety of activities such as scenic boat cruises, water sports, and hiking trails that lead to picturesque waterfalls. For those looking to stay longer, Interlaken offers a bustling city vibe, while Iseltwald provides a quieter lakeside retreat. Whether you're seeking adventure or relaxation, Lake Brienz has something for everyone to enjoy.