The Abant Lake is one of the most beautiful natural lakes in the world. It is located in Bolu province, northwest of Anatolia, about 280 km from Istanbul. It is about one thousand three hundred and twenty-eight meters and is thirty-two kilometers from the center of the province of "Polo". The lake covers an area of ​​1.28 square kilometers and reaches its deepest depth to 18 meters. It is the favorite place and theme park for weekends for both Turks and foreign tourists because it has an integrated nature of charm, beauty and height in its splendor, where strawberry and pine trees Oak, hazelnuts and willow, as well as a variety of animals such as deer, rabbits and many more to be a natural reserve and a wonderful opportunity to relax and calm.

3- بحيرة "جولجوك" (Gölcük gölü)