Alexander Springs are located in central Florida (Ocala National Forest), is known for its safe open water dive. The shallow depths and small caverns make an for excellent novice dive. The spring is set in a low area with thick sub-tropical forest on two sides and pines and hardwoods in a camping area on the other. The Alexander spring pool is a large semi-circle about 200 feet across and forming the headwaters of Alexander Creek. Water flows from a cavernous opening near the middle of the pool. The depth of the pool gradually increases to about 6 feet over the course of 60 feet. The bottom in this shallow portion is sandy. There is then a 40-foot-wide fringe of aquatic vegetation before the bottom falls away suddenly to reveal a large open area of exposed and sand-covered limestone rock and boulders. The area forms a sunlit trench that is 45 feet long, 10-25 feet wide, and about 28 feet deep. Water flows strongly from a large opening on the bottom on the beach side of the spring. Water in the spring is very clear and can be bright blue over the vent area. Flow from the spring creates a large and powerful surface boil that is readily visible from the shore.
Fish, including bluegill, may be observed swimming among the aquatic plants and over the trench. The spring run narrows outside the pool and winds first SE then NE a total of about 25 miles to the St. Johns River in the Lake Woodruff National Wildlife Refuge. There is abundant wildlife in the run, including alligators.
Alexander is one of my favorite spring for snorkeling and skin-diving. Because the spring pool is so wide, the exposed limestone area near the vent is not shaded except for very late and early in the day. The deep portions are bright and clear, inviting a plunge to the bottom. And because this area is large, well away from the beach, and in deep water, it is not “over-swum” with swimmers.
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