Golcuk Lake Nature Park Located 13 km south of Bolu city center, Golcuk Lake is a man-made reservoir situated at an altitude of 1217 meters. The lake covers a large expanse of water with an average depth of 4.5 hectares and a circumference of approximately 1300 meters. Surrounded by a variety of pine, fir, beech, hornbeam, and mixed tree species, Golcuk Lake is home to the iconic State Guesthouse of the Ministry of Agriculture and Forestry, which has become a symbol of the lake's charm and appeal. In addition to the State Guesthouse, the lake offers a restaurant, cafeteria, and bungalow-style accommodations. The Ministry of Agriculture and Forestry has designated the lake and its surroundings as a "Nature Park" and prohibited car access around the small lake. Visitors can enjoy hiking trails, viewing terraces, and picnic areas, making it an ideal destination for sports and recreational activities. With its exceptional climate, Golcuk Lake is one of Turkey's most inviting destinations that should not be missed.