The Lontué River is a river located in the central region of Chile. It flows through the Maule Region and is a tributary of the Maule River. The river is approximately 100 kilometers long and is known for its scenic landscapes and agricultural significance in the surrounding areas. The Lontué River is fed by several smaller streams and is an important water source for irrigation in the region. Its waters support local agriculture, including vineyards and fruit orchards, contributing to the economy of the Maule Region. The river also offers recreational opportunities for fishing and outdoor activities.