Leon Sinks Geological Area, Tallahassee

The Leon Sinks Geological Area is located on the Woodville Karst Plain in southern and southwestern Leon County, Florida, United States. It is a mature karstic area on the Upper Floridan Aquifer. It is one of the most extensive underwater cave systems in the world and connects to Wakulla Springs.This hydrological system is extremely vulnerable to pollution because of the very high permeability of the carbonate aquifer. Extensive mapping and exploration of these caves has been done by the Woodville Karst Plain Project to understand the complex dynamics of the area and to understand the proper ecological approach to keeping this system clean.The Leon Sinks are full of life, including the freshwater eel and rare crustaceans, including the Woodville Karst Plain crayfish and the swimming Florida cave isopod Remasellus parvus, that only exist in the Woodville Karst Plain.Wakulla-Leon Sinks cave systemWakulla cave consists of a dendritic network of conduits of which 12mi have been surveyed and mapped. The conduits are characterized as long tubes with diameter and depth being consistent (300ft depth); however, joining tubes can be divided by larger chambers of varying geometries. The largest conduit trends south from the spring/cave entrance for over 3.8mi. Four secondary conduits, including Leon Sinks, intersect the main conduit. Most of these secondary conduits have been fully explored.

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