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Tumbi Umbi is an Aboriginal expression meaning place of tall trees.
Tumbi Umbi Secondary College opened in 1996.
Geography
It is a somewhat distributed community on the shores of Tuggerah Lake and associated with the creek that feeds into that body of water. In Aboriginal times the description "A place of much water" accurately described the swamp land that has now been extensively drained and populated with housing, industrial estates, a school, Mingara Recreation Club, Mingara One Fitness and Aquatic Centre, a pistol range and Glengara Retirement Village.