Rio Tunuyan is a river located in the province of Mendoza, Argentina. It flows through the Tunuyán department and is known for its scenic beauty, surrounded by the stunning landscapes of the Andes Mountains. The river is an important water source for the region, supporting agriculture and local ecosystems. The river originates from the Andes and eventually merges with the Mendoza River. It plays a crucial role in irrigation, particularly for vineyards and fruit orchards in the area, contributing to Mendoza's reputation as a major wine-producing region.