The Rhein is one of the longest rivers in Europe, flowing through several countries including Switzerland, Germany, and the Netherlands. It stretches about 1,230 kilometers (764 miles) and is known for its beautiful landscapes, charming towns, and historic castles that line its banks. The river plays a vital role in trade and transportation, connecting various regions and cities. Along the Rhein, you can find many popular attractions, such as the Lorelei, a famous rock formation that has inspired countless legends. The river is also a popular destination for tourists who enjoy activities like cruising, hiking, and wine tasting in the picturesque vineyards that thrive in its valleys.