Swordgate is a bridge in Argentum between the Lantern Wards and the Hearth Wall. The Dancing Sword stands just past it on the Hearth Wall side.1
History
Session 11
The party crossed the Swordgate bridge heading north from the Hall of the Anvil on 30 Coldrise, 1714 PSF, on their way to eat at the Dancing Sword.1
Session 14
Luma brought Hazel back out of the Lantern Wards by the Swordgate at midday on 1 Nightdeep, 1714 PSF, so as not to be seen crossing the same bridge too often.2