Hiva Oa is the second largest and most fertile of the Marquesas Islands, which are scattered across the South Pacific Ocean northeast of Tahiti and the Society Isands. Its 124 square miles are fringed by steep cliffs rising from the sea, and corrugated by volcanic ridges and precipitous, isolated valleys in the interior. Ta’a Oa Bay is actually the collapsed cone of the volcano Mt. Temetiu, with …