The Rhone and Rhine are two of the most important rivers in Switzerland. The Rhone is 5 letters long and flows through Lake Geneva before emptying into the Mediterranean Sea. The Rhine is also 5 letters long and flows from the Swiss ALPS to the North Sea. The ALPS are a 4 letter word and are a mountain range that spans 8 countries, including Switzerland. The ALPS are home to many of the highest peaks in Europe. An ALP is a 3 letter word and refers to a high mountain pasture or meadow in the ALPS.