On an area of 6,400 square meters, Lake Blaausee, or what is known as the Blue Lake, extends, due to its clear blue water, to the point that allows visitors to see the bottom of the lake, and the lake is surrounded by tall pine trees, which make it a charming sight especially in times of autumn with its yellow and orange leaves All this and more make it one of the most beautiful natural attractions in the city for tourists and locals. Lake Blaausee is one of the most famous mountain lakes in Switzerland. There is also a hotel that includes a health resort located directly on the shore of the lake. The price of entry to the lake is 5 Swiss francs per adult, and 2 Swiss francs for children, inclusive of a visit to the museum, a ride on the lake boat, car park, entrance to the zoo and children's playground.