The Tree Hill Nature Center is a 501(c) non-profit organization and wilderness preserve in Jacksonville, Florida, organized for the purpose of providing an educational experience for visitors to appreciate and learn about the natural environment in Jacksonville. The land was acquired to preserve and protect an urban wilderness area containing sensitive p…The Tree Hill Nature Center is a 501(c) non-profit organization and wilderness preserve in Jacksonville, Florida, organized for the purpose of providing an educational experience for visitors to appreciate and learn about the natural environment in Jacksonville. The land was acquired to preserve and protect an urban wilderness area containing sensitive plants and animals from surrounding development. The city park opened in 1971.