Alachua County, Florida is home to six state parks. Two of them are also National Natural Landmarks, one is a historic district, one is a National Historic Landmark, and one is a rail trail. Unless otherwise noted, all of the parks adhere to the Florida State Parks schedule; Florida state parks are open between 8 a.m. and sundown every day of the year (including holidays).Devil's Millhopper Geological State ParkDevil's Millhopper Geological State Park is a Florida State Park located two miles (3 km) northwest of Gainesville, Florida, USA, off County Road 232, northwest of the University of Florida. It is the only geological park in the state of Florida, is a National Natural Landmark, and is maintained by the Florida State Parks system, a division of the Florida Department of Environmental Protection. The park is near the San Felasco Hammock Preserve State Park.GeologyThe cutaway, limestone sides of the sinkhole provide an easily visible geological record of the area. Twelve springs, some more visible than others, feed the pond at the bottom of the sinkhole. In the summer, the bottom of sinkhole is dramatically cooler than the air at the surface, due to springs that trickle 70F water in small waterfalls.
