Líchthiach Thiair

The Viscountcy of Leightheiack (Fernolian: Ísirliticht na Líchthiach Thiair, Rockallian: Uisiarlateachd na Léighthiach Shiar, Astrallic: Éusiorlteachd Na Líchthiach Shiúbhaoirr or Iwsiyrtycht Ny Lîchthich Iẇr) is one of the six viscountcies of Rockall in the Seafaring Confederation. Its capital is Mhólanne.

Líchthiach Thiair covers the Duadhnúille peninsula, located between the Bhá nan Éirith Ghréine and Loch Mhólanne. The Eoila tÓ Nuarth also belong to the viscountcy. It borders the Rockallic Federal District and An Thir na tÁirdteachd to the west and Cóste Ígheainne to the north.