Iona National Park (Portuguese: Parque Nacional do Iona) is the largest national park in Angola. It is situated in the Southwestern-most part of the country, in Namibe Province. It is roughly bounded by the Atlantic Ocean to the West, an escarpment to the East that marks the beginning of the interior plateau, the Curoca River to the North, and the Cunene River to the South. It is about 200 kilometres (120 mi) south of the city of Namibe and covers 5,850 square miles (15,200 km²) sq.