The Bío-Bío River is one of the longest rivers in Chile, stretching approximately 380 kilometers. It originates in the Andes mountains and flows westward into the Pacific Ocean. The river is known for its scenic beauty and diverse ecosystems, making it an important natural resource for the region. The river serves as a vital water source for agriculture and hydroelectric power generation. It also plays a significant role in the cultural heritage of the Mapuche people, who have historically inhabited the surrounding areas. The Bío-Bío River is a key feature of the local geography and economy.