"Discover untouched lakes, rivers and waterfalls in the Alps and foothills of Austria, Germany, Switzerland, Italy and Slovenia. Over 150 secret bathing and swimming spots with detailed descriptions and tips on safety and access. Including family-friendly locations as well as challenges for the true adventurer. > Bathe and picnic by secret forest lakes> Hike to pristine mountain waterfalls> Swim over rare underwater meadows in transient summer lakes> Plunge into the icy waters of an underground glacial lake at 3200m> Adventure through mysterious flooded caves and tunnels"