Rincón de los Sauces (English: Place of the willows) is a first category municipality and the capital of Pehuenches Department in Neuquén Province, Argentina.

After the flood, the main economic activity in the zone was based on cattle farming.

YPF, then the state oil concern, discovered petroleum under Puesto Hernández in 1965, and subsequently, the population grew rapidly.

Officially chartered on December 20, 1970, the town is named for the willow trees (sauce) that abound in the region.

The town has been declared the National Energy Capital due to its having 50% of the proven reserves of oil and natural gas in Argentina.