The Río Cauquenes is a river in the Maule Region of Chile, flowing through Cauquenes Province. It originates in the Cordillera de la Costa and is a tributary of the Perquilauquén River. Specific paddling routes and access points are documented, including a section referred to as Ruta 128. A notable access point for paddlers is the Ex-Puente Cauquenes, which provides easy access to a boat ramp. Another significant location is the Puente Presidente Sebastián Piñera, which also serves as an access point for water activities. These points facilitate day trips and provide amenities for a day on the water. The river's setting within the coastal mountain range suggests a natural environment. The presence of documented paddling routes and access points indicates the river is used for kayaking and stand-up paddleboarding.