Day Trip to Lausanne, Montreux and Château de Chillon. Explore the beautiful Swiss cities of Lausanne and Montreux on this relaxing and scenic day trip from Geneva. You'll drive through the beautiful Swiss countryside, enjoy free time in Lausanne and Montreux, and take a guided tour of the famous Château de Chillon, a stunning castle that sits on Lake Geneva. Book now and Save 10% Off Day Trip to Lausanne, Montreux and Château de Chillon.