Lough Mask

Lough Mask (Irish: Loch Measca ) is a lake with a 89 km ² area in a limestone area in County Mayo in the west of Ireland. It lies north of Lough Corrib and the upper of the two lakes, which flow over the river Corrib through Galway City in Galway Bay. The Keel Canal connects it to the Lough Carra.

The lake is known for its trout for fishing.