evidence: Lake Constance is a vast lake shared by Switzerland, Germany, and Austria. It’s a popular vacation spot among both locals and tourists, thanks to a variety of fun and exciting things to do near the lake. [...] Lindau is a German town on the northeastern shore of Lake Constance, right next to the Austrian border. It’s known for a lovely old town that sits entirely on an island in the lake, and which is easily accessible by ferries from Meersburg (Germany), Rorschach (Switzerland), and Bregenz (Austria). [...] Lake Constance Trail, also known as the Lake Constance Cycle Path, is a popular long-distance circular trail that takes you on an adventure around the entire lake. The entire path is 270 kilometers long, and it’s popular for both hiking and mountain biking.