The Black Line, also known as the Two Peninsulas Line (French: Ligne Noire or Ligne des Deux Presqu'îles) is a rail line of the Kerguelen rail network and connects the Gare de La-Société-de-Géographie and Gare de Port-Joffre with each other as well as with the Blue Line through Gare de jonction de La-Société-de-Géographie and Gare de jonction de Port-Joffre.