The territory of the two main islands is hilly, the highest peaks are Mount Usborne (705 metres) in the Eastern and Mount Adam (698 metres) in the West, the coasts, very articulate, are flat, and sometimes marshy. Sheep farming was formerly the main source of income for the islands, the main products exported were wool and skins, now is fishing the largest part of the economy and brought increasing income from tourism. The Falklands archipelago is claimed by Argentina.