Maps showing the location of the Skyshard near Gnisis on Vvardenfell.
In the journal, the hint for this skyshard is "Beneath the Dwarven bridge."
The skyshard is found under a big Dwarven bridge, to the northwest of Gnisis, and east of Yassamidan.
ESO Morrowind: Vvardenfell Skyshard Map - Gnisis
From Orcz
