Lough Carra (Irish: Loch Ceara)[2] is a marl lake[1] of 4,000 acres (16 km2), in County Mayo, Ireland, about 8 miles (13 km) south of Castlebar.

It is approximately 6 miles (9.7 km) long and varies in width from 400 yards (370 m) to one mile (1.6 km).

The average depth is 6 feet (1.8 m), with a maximum of 60.

[1] It drains into Lough Mask via the Keel River.

This article related to the geography of County Mayo, Ireland is a stub.