Lake Gölcük (Turkish: Gölcük Gölü) is a lake located in the Bolu Province of northwestern Turkey. The lake is approximately 15 km (9 mi) long and 5 km (3 mi) wide. The lake is surrounded by mountains and forests. The lake is a popular destination for fishing, swimming, and boating. There are a number of hotels and restaurants located around the lake. To get to Lake Gölcük, you can take a bus from the city of Bolu. The bus ride takes about 45 m..
Lake Abant (Turkish: Abant Gölü) is a lake located in the Bolu Province of northwestern Turkey. The lake is approximately 1 km (0.6 mi) long and 500 m (1,600 ft) wide. The lake is surrounded by mountains and forests. The lake is a popular destination for fishing, swimming, and boating. There are a number of hotels and restaurants located around the lake. To get to Lake Abant, you can take a bus from the city of Bolu. The bus ride takes about 3..