Bileća Lake is an artificial lake located in Bosnia and Herzegovina, created in 1968 by damming the Trebišnjica River. It covers an area of approximately 25 square kilometers and is known for its stunning blue waters and surrounding mountainous landscape. The lake serves multiple purposes, including hydroelectric power generation and irrigation. The lake is a popular destination for outdoor activities such as fishing, swimming, and boating. Its scenic beauty attracts visitors, making it a significant spot for tourism in the region. Additionally, Bileća Lake plays a crucial role in the local ecosystem and economy.