The Gallego River is a river located in the northeastern part of Spain, specifically in the region of Aragón. It flows through the Pyrenees mountains and is a tributary of the Ebro River. The river is approximately 30 kilometers long and is known for its scenic landscapes and clear waters. The Gallego River is popular for various outdoor activities, including kayaking and fishing. Its surrounding areas are rich in biodiversity, making it a great spot for nature enthusiasts. The river also plays a role in local agriculture, providing water for irrigation in the nearby fields.