Covering an area of , the region's terrain ranges diversely from permanent glaciers to verdant valleys, rich pasture lands and orchards, through to the arid steppes of the central lowlands. Aragon is home to many rivers—most notably, the river Ebro, Spain's largest river in volume, which runs west–east across the entire region through the province of Zaragoza. It is also home to the highest mountains of the Pyrenees.
Covering an area of  the region's terrain ranges diversely from permanent glaciers to verdant valleys rich pasture lands and orchards through to the arid steppes of the central lowlands Aragon is home to many rivers—most notably the river Ebro Spain's largest river in volume which runs west–east across the entire region through the province of Zaragoza It is also home to the highest mountains of the Pyrenees