Switzerland is, quite simply, the water tower of Europe. The biggest rivers in Europe have their sources in Switzerland. Lakes, rivers, streams, waterfalls: there's plenty to enjoy both in and on the water. The lakes in Switzerland are among the most popular holiday and excursion destinations. On hot summer days there's nothing more refreshing than a dip in a cool river. Switzerland offers spectacular waterfalls. Stroll along sleepy trails to the gentle babbling of the Suonen. Ever there are high mountains you will also find deep gorges