Belfast Lower is a barony in County Antrim, Northern Ireland.

[2] The Forth and Milewater rivers both flow through Belfast Lower, with Larne harbour also situated in the barony.

[1] Roughfort is a medieval motte located in the barony which was used as an assembly point for the United Irishmen who were under the command of Henry Joy McCracken prior to the Battle of Antrim on 7 June 1798.

[3] Thousands of Presbyterians from the surrounding area of the Six Mile Water valley rose up and fought in the battle.

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