The Partry Mountains (Irish: Sliabh Partraí) is a mountain range in western Connacht, Ireland.

The mountains stand between Lough Mask (to the northeast), Lough Corrib (southeast), the Maam Valley (southwest) and the River Erriff (northwest).

The highest peak in the Partry Mountains is Maumtrasna, which rises to 682 metres (2,238 ft).

Other mountains in the range include Devilsmother, Knocklaur, and Bunnacunneen.

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