Apple Island is a 35-acre (140,000 m2) island that lies in the middle of Orchard Lake, in Orchard Lake Village, Michigan. The island was formed during the region's last ice age, 10,000 to 12,000 years ago. Over 400 species of flora currently inhabit the island, including many rare varieties in Oakland County. Native Americans previously inhabited Apple Island, until ceding the island to the United States in the Treaty of Detroit. Currently, the West Bloomfield School District uses the island as an educational nature center.