It refers to the Western section of Wingala Hill and forms Dee Why Headland where it meets the Tasman Sea .
Wingala Hill lies between the floodplains of Dee Why Lagoon and Curl Curl Lagoon .
It refers to the Western section of Wingala Hill , which lies between the floodplains of Dee Why Lagoon and Curl Curl Lagoon , and forms Dee Why Headland where it meets the Tasman Sea .