Depuch Island is a volcanic island located off the north-west coast of Western Australia's Pilbara region, near Port Hedland. The island is of cultural importance to the Ngaluma Aboriginal people, who know it as Warmalana. According to Ngaluma legend, the island was formed during the Dreaming when Matalga, a leading Pilbara spirit man, lifted a larg…Depuch Island is a volcanic island located off the north-west coast of Western Australia's Pilbara region, near Port Hedland. The island is of cultural importance to the Ngaluma Aboriginal people, who know it as Warmalana. According to Ngaluma legend, the island was formed during the Dreaming when Matalga, a leading Pilbara spirit man, lifted a large rock and threw it into the sea. The rocks and boulders of the island are covered with Aboriginal engravings and rock art.