• Pa-Hay-okee Overlook


    National Park Florida

Hole-in-the-Donut "In Depth"


Fact Sheets

HID Fact Sheet

Hole-in-the Donut Restoration Fact Sheet
Hi-Res, 4.8 MB | Lo-Res, 231 KB


Partner Resources


Did You Know?


Limestone is the porous, sedimentary rock you see in the Everglades. These rocks are made of calcium and contain fossils of sea life, evidence of ancient seas that once covered the area. The limestone aquifer under the Everglades acts as the principal water recharge area for all of south Florida.