The Oaș Mountains (Romanian: Munții Oașului, Hungarian: Avas-hegység, Ukrainian: Гори Оаш) are a small volcanic mountain range within the Vihorlat-Gutin Area of the Inner Eastern Carpathians. The mountains are centered in northern section of the Țara Oașului, covering border area between the Satu Mare County in Romania, and the Zakarpattia Oblast in Ukraine. They are an extension of the Gutin Mountains.

The highest peak is Piatra Vâscului, reaching 917 m (3,009 ft).

The Huta Pass (elevation 587 m (1,926 ft)) is a mountain pass in the Oaș Mountains that connects the counties of Maramureș and Satu Mare.

• Țara Oașului
• Romanian Carpathians
• Ukrainian Carpathians

• Földvary, Gábor Z. (1988). Geology of the Carpathian Region. Singapore: World Scientific Publishing Company. ISBN 9789813103825.

• Oaș Mountains on the northern section map of Satu Mare County

47°59′22″N 23°24′40″E / 47.98944°N 23.41111°E / 47.98944; 23.41111