Monte Santo António is a mountain in the southwestern part of the island Boa Vista in Cape Verde. At 379 m (1,243 ft) elevation,[1] it is the island's second highest point. Like Rocha Estância and Monte Estância, it rises steeply from the surrounding plains. It is part of a protected natural area under the statute of natural monument,[2] covering 459 hectares (1,130 acres).[1][3]